Note: This story was dynamically reformatted for online reading convenience. Title: Sister's Medicine Summary: Jess's little sis needs an unusual and sexy treatment. Keywords: inc,fic I felt a little uncomfortable right off the bat when Mom told me she and Lily needed to talk to me. It got even worse when they sat me down, each with a nervous and guilty look on their faces. Still, despite my racing mind, I couldn't possibly have guessed where the conversation would go. "Honey," Mom said slowly, "as you know, Lily and I have been figuring things out with a few different doctors recently..." I nodded tightly. Lily, my little sister, had been having some health problems that had developed in her mid-teens. If anything, they'd been getting worse as she got older, and turning eighteen hadn't helped anything. "It's not, like, bad news, is it?" I asked. Mom shook her head. Lily refused to look at me. "It's good news, actually," Mom assured me. "Neither of you look like it's good news." "Well... it's good, but strange." "Messed up," Lily mumbled. "What kind of messed up?" I demanded. "Just tell me, would you?" Mom sighed. "Jess, honey, it's not that easy. You're not going to like this either. It's taken Lily and I a while to come to terms with it." I swiped my fingers back through my hair and took a deep breath. "Well, listen, either you tell me and we deal with it, or I'm outta here. I can't just sit here all day while you make me nervous and don't tell me anything." Lily shifted uncomfortably. "Mom, maybe we shouldn't yet." Mom set her jaw firmly. "No, Lily, we have to. We talked about this." "I know, but... it's so weird." I rolled my eyes. "Anyone gonna let me in on the secret or what?" Mom raised her hands and dropped them. "Fine. Lily has certain rare deficiencies. Proteins and nutrients and stuff." "Fine," I said. "What's the big deal? Get her some supplements." "That's what we're working on. It's just that we need something very specific." "Ok. So?" "Something from you," Mom continued, tone indicating that she hoped she'd hinted closely enough. She very much hadn't. "What could I possibly have?" I demanded. "I'm not a scientist or doctor or anything." "No, honey, but you're a boy," Mom said, twisting her fingers anxiously as she spoke. "And you're Lily's closest male relative." "You're not wrong. But so what?" I paused. "Oh, shit. Does she need a blood transfusion or something? Why didn't you just say that?" "No, not blood," Mom said. "So what, then? Something else?" "Yes." I sighed and tried to stay cool. I was not having fun with this game of twenty questions. "Please just tell me what she needs." "Well... it's like..." Lily had herself all scrunched up into the smallest ball she could make. I'd assumed she was out of the conversation, but apparently Mom's lack of answers was bugging her almost as much as me. "Cum," Lily blurted. "I need your fucking cum, alright?" "What?" Mom winced. "I wouldn't have put it that way-" "No, you wouldn't put it any kind of way," Lily muttered, having gone bright red. "You made me do it." I held up my hands placatingly. I couldn't deal with a verbal jousting match between them right now. "Say that again?" "You heard right," Mom said wearily. "Apparently the very best thing for your sister is your... stuff. Semen." "Cum," Lily repeated. "It doesn't get any better if you're all evasive about it." I nodded slowly. "And this was a real doctor you spoke to?" "I knew you weren't gonna like it," Lily said. "I sure as hell don't." "Yes, honey, a real doctor," Mom assured me. "If you like, we can all go in and see her together. I know this is going to be hard to process and everything, but it really does seem like it might help. You know we've been trying everything to get some answers." "Yeah, but... this?" "This," Mom confirmed. "We kinda thought maybe we'd try it for a week or something, see how it-" "Wait wait, hang on. Just to be clear, when you say 'try it,' you mean..." "Gotta eat it," Lily mumbled in a barely audible voice. "Oh god." Mom shook her head rapidly. "No, listen. You just do it into a little jar or something. It doesn't have to be super uncomfortable for either of you." Lily and I exchanged a glance. "Somehow you're not grasping the sheer levels of discomfort here," I said. "No, I know." Mom sighed. "I'm just trying to make it sound less painfully awkward." "Not doing a great job so far, gotta say." Lily had curled up into herself so much by that point that I could barely see her face. She looked about like I felt. It was going to be a long-ass day at this rate. **** Further conversation and arguing didn't get us much of anywhere. We took a break to cool down and think things out on our own. I tried that at first, then decided I'd rather not think about it at all. Instead, I loaded up a heavy playlist and lay on my back in bed, losing myself in the music instead of my thoughts. I'd managed to zone out a bit before Lily came looking for me. I was a bit surprised that she wasn't off hiding in her room like I was, but I also wasn't about to turn her away. I knew she wasn't having any better a time of it than me, and if she wanted to talk I should probably listen. "I'm sorry about this," she said, perching on the foot of my bed while I sat up and got comfortable. "It's not your fault. It is what it is, I guess." Lily brushed her hair back nervously. "It's kinda my fault. Sorta." "How? 'Cause of your health? That's not on you." "No. More, like, it doesn't have to be you. I mean, it's better if it is, but in theory any guy's cum would help. There's this whole explanation that this new doctor has, and I don't really understand it." "So, wait, I'm not sure I follow." Lily shrugged. "It's better if it's you," she repeated. "And... I wanted it to be." "What?" "Not like that. Don't be weird. Just... I know it's horrible and all. But, like, it'd be even worse if it was someone else. Like, what, I'm gonna start blowing random dudes?" "I don't think that's the only alternative." "No, it isn't. I'm just saying." Lily shrugged miserably. "I could get some anonymously. I thought about it. But I'd still feel horrible and gross about it. As fucked as it is, it'd be easier if it's you. And it is legitimately better for me, too." "Lily..." "Please?" She looked at me with big, pleading eyes. "Just think about it at least? For me?" "Dammit..." "I'm so tired, Jess. So tired of having to go to the hospital, having tests, staying home sick half the time, not being able to concentrate for no reason. Just... tired of being tired." "Yeah, I get that. I want to help. I just wish it was something less... this." "I know. It's weird. But hey, it's an excuse to lock yourself in your room and jerk off, right?" "Pff, like I need an excuse." We exchanged a cautious smile, but awkwardness still lurked behind the facades we momentarily presented. "You know," Lily said quietly, "at first Mom really wanted me to ask some other boy. Wanted me to think of someone I wouldn't mind fooling around with a bit. I think she thought it'd be easier on me. But, like, you were the only one I could think of who I wasn't just super terrified of asking." "Aw, come on. I'm the weirdest possible choice." "Weirdest, maybe, but the least scary too. I knew you at least wouldn't laugh, and you'd want to help." Lily shrugged. "You know I've always been the weird sick kid at school, right? Plus I got no tits or ass or anything. Fuckin' can't grow into this stupid body." "Tits and ass aren't everything." "No, but they're something, and I don't have 'em." Lily sighed. "At least with you, it doesn't have anything to do with being attracted to me, 'cause that was never gonna be the important thing." "I guess not." We sat in awkward silence a moment. "Would it make it any better if I, like, helped?" Lily asked. "Helped?" "You know. Like, you'd probably wanna close your eyes or whatever, but maybe it'd still feel better if I, like..." She trailed off made a jerking off motion with her hand. My eyes widened. "Lily!" "Sorry, sorry. Stupid idea. I knew it was. Fuck. Sorry." She stood up. "I should go now." "You don't have to, but-" "No no, that just made it worse. I knew it would. I dunno. I just thought maybe like... 'cause you could pretend it wasn't me and all..." "You'd still have to do it to me," I pointed out. "Yeah, but I think I'd be ok with it." "You would?" "Don't look at me like that. I mean, just with my hand. Nothing too messed up." She shrugged. "I've never actually felt one, you know. So I don't have all those associations already ingrained. Maybe it wouldn't feel that gross to me. Or maybe it would. Stupid idea either way." I sighed. "Lily, we probably need to talk some more about this. But, like, you know I love you, right?" She smiled faintly. "Yeah, I know." Lily exited, and I was left confused and disturbed in slightly different ways from the end of the previous conversation. Still, oddly enough, I felt determined now to help her out. Knowing that it was her decision to ask me, agonized as it was, made it better than having the choice forced upon us by some doctor, or even Mom. It was something that ultimately was between Lily and me, and should be up to us. If it was what Lily wanted, what she needed, than I was going to help her, dammit. Weirdness be damned. I got a small jar from Mom, which was just about as awkward as anything else had been that day, then barricaded myself in my room. I felt super embarrassed and had a hard time getting started, since I felt like both Mom and Lily knew what I was doing, and I kept imagining them creeping outside my door, or waiting to tease me later. I knew they wouldn't be doing either thing, but that didn't help much. After an overly long porn and jerk off session, I managed to shoot most of my load in the clinical little container. It wasn't as much as I thought it would be, but maybe it was enough. I assumed it had to be. Not knowing what else to do, I set the jar in front of Lily's door, knocked, the ran away. It was way, way too much to deal with the aftermath just yet. Hopefully if I waited a while, we wouldn't have to talk about it any further. **** I ended up seeing Lily again before bed, though purely by accident. She was waiting to use the bathroom as I was coming out. I couldn't very well avoid her at that point. "Thanks for earlier," she said with a tentative smile. "Uh, yeah. Sure." "I actually felt a little better. But... it might have just been, like, a placebo effect or something." "Well that's good anyway." I shifted uncomfortably. "So did you... I mean did it..." I shook my head. "Shit, I don't know why I'd even want to ask that." Lily giggled softly. "I put it on a sandwich with lots of peanut butter. Couldn't even hardly taste it, really." "Oh. Ok. Good." "Yeah." Lily bit her lip. "Well, uh, good night, I guess. See you in the morning?" "Yeah, in the morning." I cleared my throat. "Um, how often do you think-" "Maybe a couple times a day? Once before school if, like, you think you could." Lily's face was flushed but hopeful. "And maybe I could take a sandwich too?" "Are you sure you want to do that?" "No. But I really did feel a little better. And even if it's just in my head, it's still something." I thought about arguing that she would have to eat more of her brother's cum for that feeling, but decided against it. She already knew that. Pointing it out again wasn't going to help. "We'll see," I said. "Night. Love you." Lily threw her arms around me, pressing her frail weight firmly against me. "Love you too. Thanks for doing this." "Yeah, well... yeah." **** I jerked off twice the next morning, which was a bit much for so early in the day. My second load wasn't impressive at all, but it's what I could produce. Lily was happy, and that was the main thing. I wasn't prepared for her being quite so eager upon my return home that evening. I got the sense that she'd been specifically waiting for me, and she ambushed me just as I was walking in. "Hey," Lily said, bouncing from foot to foot. "Hey yourself. How was school?" "Fine. Good, actually. Do you think you could, like, get me another dose?" I looked at her. "More cum?" "Yes, please." "Lily..." "I know, I know. But I think it's working. I really do." "First of all, I don't think it'd work that fast. Secondly, how much are you actually supposed to get in a day?" "Well it might work that fast. You don't know." Lily hugged her arms around herself. "And I mean, more's gotta be better, right?" "Lily, seriously, how much did the doctor say?" "I don't know. She kept talking about, like, milligrams and stuff. Like, how'm I gonna know how much that is?" "Maybe you better find out." "Yeah, I guess. But for right now..." "Fine, fine. I'll go do it again. Only 'cause I love you." Lily threw her arms around me. "Thanks, Jess. You're the best." "I'm something alright." **** I had to admit, as the week wore on, Lily looked progressively better. It got to a point where I couldn't deny that something was working, though I wasn't quite ready to say what. Unfortunately, jerking off got to be a chore, which was something I never thought would happen. Lily pestered me about it constantly, and I honestly just couldn't keep up. "Pleeease," she whined one evening. "Just one more for a bedtime snack?" "I can't, Lily. Seriously. You're wearing me out." "Am not. You can still go again. You only did it four times today, and I know you can do six." "You've been keeping track?" Lily flushed. "Maybe." "Well that's certainly not helping. And I'm just tired, alright? I've been jerking off a lot this week." "Yeah, I know. I appreciate it." She bit her lip. "But, uh, I could maybe help?" "What do... oh. No. No no no." "I could! I know how it works." "That is so not the point." "I know I'm all weird and not really sexy or anything, but-" "Untrue, and not the point either." Lily set her jaw stubbornly. "You shouldn't be complaining so much about doing it if you won't even let me help when I offer." "Dammit, you're not jerking me off. You're my sister." "Yeah, dude, I know. I've also been eating your cum all week, so don't act like we're all pure and innocent." "That's... different. It's medicinal." "Yeah. So's this." We argued some more. I grew increasingly frustrated at being unable to dissuade Lily from wanting to jerk me off. Sure she had a decent reason for it, and I was pretty sure she really was just trying to be helpful, but she had to understand why it was a terrible idea, didn't she? I thought I had some backup when Mom showed up, but I may have assumed too much. "What's all the fighting about?" Mom asked. I waved my arm at Lily in exasperation. "She's being weird." "Just trying to help," Lily responded sulkily. "Help with what?" Mom asked. "He didn't want to masturbate again," Lily said. "So I said I'd help. And he got all mean about it." "I did not," I said. "I was being sensible." Mom rubbed her forehead. "Lily, do you really need more tonight?" Lily nodded. "It'd be good." Mom looked at me. "And you... what, can't do anymore?" "Well... I mean I could... I guess..." "You know it's helping your sister." "Sure. She seems better." I shrank back under Mom and Lily's combined stares. I had the feeling of being trapped between them. "I did it four times already. Maybe that's enough until tomorrow?" Mom sighed. "Honestly, even what Lily's been getting hasn't been as much as we'd like. I was talking to Dr. Michelle about that. We might have a solution. In the meantime..." "Hey! No no, none of that trailing off nonsense. Just say it." "Sweetie, do you think you could just help your sister out a little more until then?" My eyes widened. "You're taking her side?" "It's not about sides. I'm not asking you for anything unpleasant. I know it's hard for you. Lily and I have had more time to adjust to the idea and all. But you've been doing so well." "But... but..." "Would you rather I help you?" Mom asked. "It wouldn't have to be a big deal. We could just-" "No! Come on. Not you too." "At least it's not just me he doesn't want," Lily mumbled. "You know it's not about that!" I said louder than I meant to. I took a deep breath and tried to calm down. "You're my sister." "You say that like it's a whole argument by itself," Lily said. She stuck her chin out defiantly. "Guess what everyone would say if they knew what we'd already done. You're acting like somehow a little touching'd make it so much worse." I looked to Mom, but she was no help. I sensed I'd lost. At least I'd tried, though, and my conscience felt a lot cleaner for the effort. "Well I definitely am not doing it with both of you watching," I said quietly. Mom kissed my cheek and ruffled my hair before leaving the room. "That a boy." Lily and I retreated to her room. I lagged behind by several steps. She appeared much more nervous once the door was closed behind us and we were trapped together, about to embark upon an entirely new stage of weirdness. Perversely, seeing that helped me to feel better about what was about to happen. "So I guess you should, like, close your eyes or whatever," she said. "Why?" "So you don't have to look at me while I'm doing it. That'd make it better for you, wouldn't it?" "You're determined to make this about you, aren't you?" "Well... it is about me." "Lily, I'm your brother. Your big bro. I'm not allowed to think certain things about, or do certain things. Not ever. It's got nothing to do with wanting to or not. Nothing to do with you at all." Lily's brow furrowed. "So you do want to?" "You're not listening." She let out a frustrated breath. "Fuck's sake. I just thought it wouldn't be such a big deal. Thought you might even like it if you had some help. But you're making it such a big deal, and you won't even make up your mind about whether or not you're interested, and you're-" "Lily? Hush, please." "But-" "Just chill. We're gonna try it, ok? I already said we would. If you need therapy afterward, I'm washing my hands of it. It's all gonna be your own damn fault." Lily's face slowly relaxed as my words sank in. "Yeah, you're right, I guess. Maybe we should, like, actually try it before I get too wound up." "Yeah, maybe." I looked away as I pulled my pants down and sat on her bed. My cock twitched to life, but didn't harden very much just yet. Lily was almost comically fascinated at me sitting there in my boxers. She approached tentatively and knelt beside me. "I haven't really done this before," she whispered. "I know. It would have been better if someone else could have been your first, I think." "I don't mind about that. Better you than a lot of other possibilities. Just... I don't want you to think I'm bad at it." I looked her in the eyes, though that made her look away instead. "You think I'd think less of you 'cause you didn't jerk me off right?" "Well... maybe. No, I guess not, actually. You already know I'm useless with boys and sex stuff. Can't actually get any worse. So maybe... maybe it's really good that you can teach me a little." I arched an eyebrow. "Good, is it?" "Kinda, yeah. 'Cause you're right, I know you won't care if I need practice or whatever. And, like, I trust you, you know? You care way more about me than getting into my pants." "I don't want in your pants." "S'what I'm sayin'. If I ever found some other boy to mess around with... who knows what he'd really be thinking. But I know for sure you love me." "I do." "And you don't want to ever hurt me, to the point where it's actually kind of annoying." I chuckled softly. "That's what brothers are for." "So, like, this'll be good. I'll get to learn, and maybe you'll actually enjoy yourself too." "I might. But Lily? Seriously, if you decide you don't actually want to do this at any point..." "I won't." "If you do," I insisted. "You already saw how annoying I can be about this. Just imagine me feeling all guilty 'cause I emotionally scarred you with sexy stuff." Lily's lips twitched into a smile. "You'd be insufferable." "Exactly." "I Promise I won't get all emotionally scarred, ok?" I nodded. "Ok." Lily scooted a smidge closer, then stopped and cleared her throat uncertainly. "So, uh, how do I start?" "I guess... you probably need my cock out." "Yeah, I know. But, like, do I take your undies off? Do I reach in the little hole thing in the front?" "How about I make it easier for you." I was, admittedly, quite uncomfortable stripping further in front of Lily. It wasn't as bad as it could have been. Her embarrassment helped mine feel smaller than it was, and I at no point felt like I was going to be judged on appearance or size or anything. Lily was kind of a unique case for me. I'd never gotten my cock out for a girl and not had the sense that something sexual and/or romantic was going to happen, and that there was a lot riding on the removal of clothing. Well, technically this was still sexual, but not in the way I usually thought of it. Lily watched me with fascination and anticipation fully evident on her face. She forgot her fears as she studied my cock, and scooched even nearer to me when I sat back down. "I can see it growing," she said in a hushed and reverent tone. "Yeah, it'll do that." "No, I mean, I know. But guys on the internet are always just... hard. Or sometimes soft. But never really in the middle." "You see a lot of cock on the internet do you?" Lily was entirely unashamed in her answer. "I don't get out much, dude. You know that." "Yeah, that's fair." I shrugged. "I really don't mean to imply that it's a bad thing." Lily nodded minutely and leaned lower. She reached a tentative hand out and stopped just before touching me. "Can I?" "That'd be the point, I believe." Her warm little fingers encircled me in a quick, gentle motion. She gave a short, nervous giggle as I stiffened further in her loose grip. "Wow," she said. "Nothing's even happened yet." "No, but... I dunno. It feels nice." "You're easy to please." "Shut up! I'm learning." Lily unconsciously squeezed tighter. I groaned at the sudden tightness and she jerked away. "Don't let go," I said. "Sorry. I thought I did something wrong." "You didn't. It just felt good is all." "Oh. Ok." Lily gripped me again and started experimenting. Playing, really. Like my cock was a new toy. She initially appeared a bit disappointed when I stopped growing, though she soon found the fun in my full erection. I exaggerated my vocal reactions for her benefit, since she really seemed to respond to clear feedback. She liked touching me in ways that made me feel good. She toyed with every part of my cock, from the tip, down the shaft, around the base, and even all the way to my balls. Everything got caressed and fondled, gently or more firmly depending on my reactions. I almost could have forgotten that she was my sister and just appreciated a girl who was so keen on figuring out what every part of me felt like, and what felt best for me. I eventually guided her toward the classic full hand grip and stroke. She did it for a bit, then decided she needed a better position. She moved to the floor, kneeling between my legs so she had a more comfortable angle for her arm, and a much closer view of what she was doing. "You want a pillow or something?" I asked. Lily shook her head with a trance-like lack of hurry. "No, I'm good." She jerked me off over the next little while, demonstrating absolutely no sense of hurry or desire to finish up. I really wanted to take over a few times and give myself the release she was building me toward so very slowly, but I let her have her fun. It was really quite pleasant in spite of being so agonizingly unfocused. "Gonna cum," I whispered as I finally approached the end. Lily squeaked as she felt me tense in her hand, then darted forward and took the tip of my cock in her mouth. My cum shot straight out onto her tongue and the back of her throat, and she swallowed reflexively until I had nothing left to give her. She sat back on her heels afterward. A slight flush crept over her cheeks as though she recognized that she'd gone a bit further at the end than I'd expected. "You used your mouth," I said gently. "Well you were gonna cum. What else was I s'posed to do?" "I'm not saying it was wrong. Just that I didn't expect it." "Sorry." Lily wiggled as she wrestled with something in her head. "So... was it ok though? Overall?" "It was pretty damn great." She beamed. "Really?" "Yeah. Really." "Cool. We can do it again, right?" I laughed softly. "Yeah, I suspect we can. Not right now, obviously." "No, yeah, not right now. Soon, though?" "We'll see." "And do you think I could try-" "Lily..." "-maybe like using my mouth-" "Lily!" "-like doing a blowjob or something. That could be fun too, right?" "Dammit, Lily. Don't say things like that." "Like what?" "Like you want to give me a blowjob." She flushed redder. "It's not that I want to. I mean, I do. But... but not in a weird way. I already put my mouth on your cock, so that wouldn't be new. And it'd just be a chance to try it, is all. You liked me using my hand, right?" "I did. And I'm saying we can do that some more. Probably. But don't push it." Lily stuck her bottom lip out in a defiant pout. "Like you wouldn't like it," she grumbled. "I'm sure I would, actually. That's not the point." "No, of course not. You're probably gonna tell me it's all for my own good, and what a good brother you are, and-" "Lily?" "Yeah?" "Shut the hell up." She stuck her tongue out at me in response. I stood up and got dressed again. Lily stood as well and watched until I was ready to leave. "Thanks for this," she said quietly. "Seriously." "I like being able to help," I said. "I want to keep you as my sister, though. You get that, don't you?" "Yeah, I do." Lily scratched her head. "I think maybe I just know that none of this is gonna change anything important between us. It's not gonna ruin anything. And maybe you're worried that it might. Maybe that's all." I nodded. "Yeah, maybe. You're smarter than me about that stuff sometimes." "More like all the time." I reached out and mussed her hair affectionately. She glared and tried to smooth it out, but then darted in on tip-toe and kissed my cheek as I turned to leave. "Love you," she said. I smiled back at her. "Love you too." **** As it turned out, Lily didn't have to wait long to play with me again. She knocked on my door while I was jerking off the next morning, then walked in before I could cover up. Not that she hadn't seen everything already anyway. "Going at it again, huh?" she said. "For your benefit," I clarified. "Uh huh." She clasped her hands behind her back, shifting her weight to one foot in an outwardly innocent pose. "Want some help?" I felt anticipatory tingles at the thought of accepting the offer. Sister or not, I hadn't forgotten how good it had felt to let her stroke my cock the night before. "You're gonna get tired of it pretty fast if you do it all the time," I said. Lily smirked. "No I won't." She assumed a position almost identical to last time; on her knees and within easy reach of my cock. She wasn't nearly so tentative upon first contact this time, and had definitely learned from her previous experience. I groaned in pleasure as my sister's delicate little fingers gripped me in a tight, comfortable embrace and stroked my length up and down. She flicked a finger over a few interesting spots, but mostly focused on the very basic pumping of my cock. It was really was better having her do it. For actual efficiency, I was still the more talented, but it wasn't all about cumming quickly. Having someone else touch me, caress me, work me the way Lily did, it was on a whole other level. Her skin was so soft and warm and feminine, so unlike my own despite all the similarities. And maybe, just maybe, it was pretty damn hot that it was my own little sister jerking me off. It wasn't good by any means. Not moral or ethical. But it was pretty fucking naughty and sexy. That was how Lily felt, I thought. At least somewhat. I could see on her face that it wasn't all about learning or helping me out. She was excited too. She was enjoying this. What did that say about us? I didn't really care in the moment. I'd have to give it all a serious think at some point, but not right now. Right now I just wanted my baby sister to make me cum. Again. So wrong. So depraved. So fucking hot. Lily flicked her big puppy eyes up at me, searching my expression as though she sensed something was wrong. I smiled back at her and lifted my hand to her face. She leaned into my caress, nuzzling her cheek to my palm. "I'm not a very good brother," I whispered. "You're the best brother," she corrected without even thinking about it. "I'm liking this way too much." Her beaming smile melted away a whole layer of guilt all by itself. "Really?" "Yeah. Really." "I'm doing good?" "Really good." I hesitated, unsure I should say any more. "And you're killing me the way you're looking at me." "What? Looking at you how?" I tilted her face up toward me. Her eyes remained wide and searching. "Just like that." Lily blushed and looked away. "You're being silly." "I'm not." Still red, she cautiously met my gaze again and smiled shyly. Her expression was too damn adorable. My cock twitched in her hand, eager to be released. Lily giggled softly and stroked me faster. As I got closer, she opened her mouth partway and extended her tongue just a little. The effect was to appear ready for me to cum all over her face, which I found that much more arousing. It was such a cute and slutty look all at the same time. As soon as I said I was going to cum, Lily darted in and covered the tip of my cock with her mouth. Her soft lips formed a perfect seal, ensuring nothing escaped as my cum flooded over her tongue and throat. I was fully entranced by Lily's every movement as she swallowed all my cum, then gave me a few cute little licks to make sure nothing had been missed. I was pretty sensitive, but her touches were so tender that they didn't bother me. "You almost looked like you were gonna make me cum all over your face," I said. Lily bit her lip. "I thought about it," she admitted. "I watched this video last night. The girl kept making these sexy faces while jerking a guy off. At the end she gets a mess all over." She wiggled a bit. "It got me pretty hot." "I didn't really need to know that." Lily tilted her head and arched an eyebrow. She nodded at my softening cock where her fingers were still loosely wrapped around me. "Dude. Don't act like that's too much information." "No, you're right. I'm just not used to you being quite so upfront about that kind of stuff." "Well... it got me really horny, ok?" "Fine. What does that have to do with sharing?" Lily squirmed even more self-consciously than before. "I kinda wanted to see if you might be ok with trying something like that sometime." "Cumming on your face?" "Yeah. Or whatever." "Seems like a waste, given the actual point of the exercise." Lily shook her head a little too quickly. "I could lick it up after. No waste." "Oh god." "What?" "I'm creating a monster." Lily punched my thigh. "Don't say that. It was a really hot video. That's all. And I thought it could be fun." "This isn't supposed to be about fun." "Says you. There's no reason it can't be." She smirked crookedly. "Besides, you can't tell me you aren't enjoying this." She had me there. I was really quite enamored with having her jerk me off instead of doing it myself. And I could totally see the appeal in cumming on her face. I wasn't quite sure if she wanted it, or if she just thought I'd like it. I suspected it might be both. I couldn't be too hard on her either, because I knew she'd spent her whole life without ever feeling sexy or desirable, and all of a sudden she had an outlet. I wished she'd been able to learn this stuff in a more normal way, but it wasn't like this was the most harmful experience for her either. She could have found some abusive jerk instead. Combined with her self-esteem issues, that could have been crippling. "There you are, Lily." I startled out of my daydreaming. Mom stood at the doorway, arms folded in a not-quite-stern expression. "You're going to be late if you don't get moving," Mom continued. Lily reluctantly let go of my cock that had long since softened almost entirely. "Yeah, you're right. Kinda lost track of time." My heart pounded in an instinctive reaction to getting caught, but neither Lily or Mom seemed the least bit put out. Lily straightened herself out, then skipped off to get ready for school. "Breakfast is on the table," Mom called after her. I belatedly covered myself up before Mom turned back to me. Not that it meant much at this point. "Don't you need to be getting somewhere too?" Mom asked. "Well... yeah, I s'pose." I looked away, then back at her. "Are you gonna tell me off or something?" "What for?" "You know what for." "If I wasn't going to last night, why would I this morning?" "I dunno. Just to make me feel better, I guess." Mom laughed softly. "You're a good boy, Jess. If you and your sister can find some fun in all this, I'd really like you not to feel guilty about it. We've all been through a lot." "That's true." "Anyway, I better let you get dressed. Don't take too long." "Yeah. Right." **** I didn't give into Lily's request for a facial right away, but I wouldn't have stopped her if she'd tried it. After the first couple times jerking me off, she had apparently decided she could do it whenever she wanted, and I wasn't inclined to disagree. It gave her plenty of opportunity to try things, but she mostly didn't. Partly she may just have wanted to get me used to her getting at my cock on a regular basis. She spent a lot of time and effort on normalizing it. I knew what she was doing, but it still worked. It got so that she could just walk up to me anywhere in the house, take my pants off, and do her thing. I accepted and enjoyed it. It didn't really surprise me when she finally finished me off and instead of her usual hasty mouth clamp to ensure she got everything, she brought her face to my cock and let my cum splash all over it. I even had to admit that it was pretty hot watching my little sis taking my load on her face. What I didn't anticipate at all was what she did after that. Almost immediately, she had her phone out and started aiming it around to get the best angle for a selfie. "What the hell are you doing?" I asked. "What does it look like?" "It looks like you're taking a dirty pic of yourself." "Then why the hell did you ask?" Lily snapped a few shots, then flounced onto her bed to examine them more carefully. Almost as an afterthought, she licked up the cum around her lips, then scooped the rest into her mouth with her finger. "You're not sending those to anyone I hope," I said. "Of course not. They're just for me." "But... why?" Lily looked at me seriously. "'Cause it feels sexy." I had to let her have that one. It had been a bizarre side-effect of this whole adventure that she was finally feeling good about herself in a way she never had before. If she wanted dirty pics of her face all covered in brother-cum, who was I to tell her it was wrong? The other thing that happened right around the same time, a few weeks in to the cum experiment, was Mom finally dragged me out to see Lily's new doctor. Dr. Michelle seemed very eager to meet me. Interested in a way I didn't really associate with the medical profession. "So you're the brother," Dr. Michelle said once we were alone in her examination room. I wasn't sure whether I would have rathered have Mom in there with me or not. "Uh, yeah. Jess." "Mmhm. Well I just want to say it's so wonderful of you to be so helpful in all of this. The treatment simply wouldn't work nearly so well without such full cooperation from you." I squirmed uncomfortably, since I knew exactly what 'full cooperation' meant. I wondered if Dr. Michelle knew just how full it was. "She's my sister," I mumbled. "I want to help." "Yes, indeed. In the spirit of that, why don't we make sure you're performing as well as possible, shall we?" We proceeded with a basic examination, making sure my body was essentially functioning as expected. I let myself be lulled into a false sense of security, right up until Dr. Michelle started asking about my sexual performance. "Are you finding it easy to keep up with such a rigorous masturbation schedule?" she asked. "I notice that you've been providing samples four or five times a day. Sometimes more." "Uh, yeah," I said, flushing slightly. I hoped she didn't know how I'd been providing them, but then there was no reason anyone would have told her. "That's about right. I guess it gets a little rough sometimes. And some of my... samples aren't really all that large." "That's to be expected. However, if you're up for it, we can certainly make things better all round." "In what sense?" "Every sense." Dr. Michelle picked up a small bottle of pills and shook it slightly to make its contents rattle. "Increased semen production, increased density of nutrients, faster recovery, more control, increased sensitivity... and, in fact, superior taste, thought that's not really advertised for medical purposes." I blinked slowly. "You want to make me cum more?" "Yes. Again, if you like. It's not necessary. But it would make things much more pleasurable for you and your sister both." She gave me the kind of look that suggested she knew exactly how pleasurable it had already been. "Up to you." **** I took the pills. It seemed silly not to. I disliked the thought that Dr. Michelle knew Lily was jerking me off regularly-though of course I still didn't know for sure that she knew-but either way increasing my performance seemed like a good idea. Truth be told, I'd been struggling to keep up with my sister. Her cum-lust seemed insatiable. It was for a good reason, but I felt like her health was sometimes just an excuse for her to play with me. I was quite impressed with the pills once I'd been on them a few days and they really started kicking in. Lily was overjoyed with the bigger cum loads she was getting, but it wasn't until I managed to overflow her mouth that she realized there was something going on. Fun sexy times could be a little blinding at times. "How come you're cumming so much all of a sudden?" Lily asked as she wiped cum off her chin with her free hand and sucked it from her finger. "Well, you know how I went to see Dr. Michelle?" "Sure." "She gave me some pills." "What kind?" "You know, I'm not sure. She never said. I kinda feel like she might not be s'posed to give them to me." "Oh?" "Yeah. So they supposedly do a bunch of stuff. Make me cum more, and more often. Make it easier to get off when I want. Stuff like that." Lily nodded seriously. "You have been cumming quicker lately." She perked right up. "So I should be able to jerk you more often and get more cum each time?" "In theory, yes." "Cool!" Lily, in her infinite fascination for my cock hardening and softening, hadn't let go of me after I came. I'd gone half-soft in her loosely wrapped grip, but she tightened up and started stroking me gently to get me back up to full strength. I was pretty sensitive, but not in a painful way, possibly as a function of the pills I was on. "You know what could be fun too?" Lily said. "What?" "This might be a good time to teach me how to give a blowjob." My cock twitched involuntarily, but I tried to play it cool. "Why now, specifically?" "'Cause you just came. We won't be in any rush." I nodded. "Yeah, ok, that kinda makes sense. I'm really not usually in much rush anyway, since you've been jerking me off so frequently." Lily frowned in confusion for a second, then smiled. "No, silly, I meant I wouldn't wanna rush, 'cause I already got so much cum from you." Her logic was bizarre and backward from a traditional standpoint, but coming from Lily it actually made sense. She'd become totally addicted to cum, and I could understand why. She had so much more energy and confidence. The transformation had been gradual, but when I thought back to some of her worst days, it was like was a different person. No more lying around in bed for days on end, not when there was brother-cock to exploit for precious resources. "I guess we could try it," I said. "Yeah?" "Yeah." "Cool." Lily stroked me back to full erection with a practiced touch. She looked at me as though expecting instruction, but none was forthcoming. "What do I do?" she prompted. I shrugged. "Whatever you want." "No, I mean, I want to give you a blowjob." "Right." "So how do I do it?" "You mean to tell me all the porn you watch-" "It's not that much!" "-you don't know how a blowjob works?" "I know how it works. I just... don't know how to do it." "I promise I won't think you look silly, if that's what you're worried about. Just do what you feel like, and I'll guide you if need be, ok?" Lily pouted, but nodded assent. She leaned in, flicking her gaze up to me one last time before sticking out her tongue and giving me a small lick. She licked a few more times, occasionally glancing up, but gradually getting the swing of things. I hadn't been sure how to explain to her that I didn't particularly care if she had much technique yet or not. Even just those first tentative licks felt amazing to me, and all the more so as she gained confidence and experimented more. There'd been no need to explain exactly what she should do, because she'd figure it out, more or less. Plus, it wasn't like I knew how to explain it anyway. I wasn't really an expert. Lily progressed to sucking on the tip of my cock, much the same as she did when taking my cum loads in her mouth, only with some sliding back and forth. She seemed a little hesitant to go any further at first. I put just the slightest pressure on the back of her head, not enough to force her anywhere, but just nudge her into doing more. She went along with it and took me deeper into her mouth. She stopped right at the point where my cock bumped against her throat, and no deeper. That seemed reasonable to me. Lily pulled back and stroked me with her hand for a moment while searching my expression. I could only guess at what she wanted, and I assumed it was reassurance. "You're doing great," I said. "Yeah? I wasn't sure, 'cause I don't think I can get it all in." "That's not super important. If you want to practice, I'm sure you could get it, but you certainly don't have to." Lily bit her lip and considered. "Maybe sometime. Girls in those videos make it look easy." "Yeah. That'd be the practice." "Right." She eyed my cock critically, then got back to work. She didn't try very hard to take it deeper than before, but instead put more enthusiasm into sucking and licking what she could easily get at. I was more than fine with that. I decided not to mention just how cute and sexy Lily looked when she lost her self-consciousness and really went at my cock with her mouth. She wouldn't have believed it, and I probably would have just ruined the moment. Her adorable little licks alternated with sloppy, slutty sucking, and the occasional eye contact thrown in just to make sure I couldn't look away. The sight of her looking up at me with her mouth full got me so horny I wanted to pull her up on the bed and do much worse things with her than a simple blowjob. But then, Lily was still my baby sister. We couldn't get too crazy. Assuming we hadn't already passed that point. I eventually blew my load in Lily's mouth. She swallowed it easily, then wiped a stray trickle off her bottom lip. She stayed on her knees for a moment, and I took the post-cumming moment of clarity to reflect on how different she appeared to me these days. I'd always maintained that she was prettier than she believed she was, but there was something else now. Possibly I was biased because she played with my cock a lot, but I genuinely thought she looked sexier now. "You're staring," Lily said. "I am." "Do I have cum on my face?" "No. You got it." "Then what are you looking at?" "You, obviously." "Why?" I opted for pure honesty. "You look good." Lily flushed. "Shut up." "You do." She chewed her lip. "I actually have been looking a little better," she grudgingly admitted. "I've been noticing it in the mirror." She looked at me curiously. "Do you think it's 'cause I'm getting better?" "At getting me off?" "No, silly. Health-wise. Like, I feel better, and maybe I actually am looking better." "It's possible." "My hair feels nicer lately," she mused. "And... I don't want to jinx it, but I think my boobs might be growing a little." "They are?" "Yeah. See?" Lily yanked my hand down and placed it on her chest. It was a nice feeling, warm and soft and sexy, but I wasn't sure what she thought she was demonstrating. "Lily, I haven't felt your boobs before. I can't tell a difference." She rolled her eyes. "I was totally flat. I mean, practically. You telling me you feel nothing?" "No. Just... I don't know." "Oh, here." Lily pulled her shirt up over her tits. She didn't have a bra on underneath. My little sister's boobies lay bared before me. All I could do was stare, then cautiously replace my hand on her breast from where it had been disturbed. "See?" she said. "Bigger. Like, a little, at least." I nodded absently. "Sure." "You still can't tell, can you?" "Not really." Lily sighed. "But you're gonna keep groping me?" "If you don't mind." She gave me a shy smile. "Go ahead." That was how we ended up cuddling deep into the evening with my cock out and Lily's tits exposed. We played with each other off and on, while mostly just enjoying the intimacy of being so physically and emotionally close. Lily got a me hard few times, then let me go soft again. I cupped her boobs and fingered her nipples, even going in to suck on them a bit at one point. She seemed delighted that I was actually interested in her chest. Admittedly, her breasts weren't very big, but that didn't matter nearly as much as she thought. She had beautiful little boobies, no matter how dismissive she was of them. I didn't argue with her about it, just let my continued interest make my case for me. She eventually curled up against me and went to sleep. I held her, watching her breaths go in and out. I felt a bit silly for worrying about our relationship. If anything, we were closer than we'd ever been. Still, I knew that might not last. We still had to be careful. **** I woke up to a blowjob the next morning. Lily sucking away gently at my cock while I'd been asleep. She got more energetic about it as soon as she realized I was awake. She was so eager for first thing in the morning. That wasn't a surprise, exactly, but it did contrast quite a bit with my lazy, barely awake state. I stretched carefully, then lay back and enjoyed feeling my little sister's mouth sliding around my cock in my hazy, half-dreaming state. Lily eventually got to the creamy center of her treat, which was what she was mainly after. She licked me all clean afterward, then smiled in cat-like self-satisfaction. She pranced out of the room without ever bothering to cover up her boobs, which were still on display from the night before. I kind of forgot that modesty was still a thing and stumbled my way to the bathroom without getting dressed. I ran into Mom as I came out again, and only belatedly remembered that pants were still relevant in the house. Mom glanced down in a bemused fashion, then back up. "You two must be having fun." "It's very confusing that you never sound angry about these things," I said as I stepped back and grabbed a towel to wrap around myself. "You think it's all a trap, and I'm just waiting to bust you?" "Part of me does." "Oh, Jess, sweetie..." Mom wrapped me in a hug, which was awkward when I was trying desperately to keep the towel around my waist from slipping. "I love you, and I'm glad you and Lily can find the fun side of all this." "Even if I told you Lily just sucked me off this morning?" Mom frowned slightly. "Well, I don't totally like you saying it that way, but it's not like that wasn't going to happen sooner or later." "It's not?" "She's been helping you masturbate, and I know she's curious about trying more. Considering her unfortunate sheltering, it's probably best that she has a chance to try some things with you." "Yeah, that's what she thinks too." I tilted my head. "You guys talk about that stuff?" "Sometimes." "Oh. Do you talk about me?" Mom smiled crookedly. "Sometimes." "I don't think I like that." She kissed the side of my forehead. "Relax, honey. We love you. It's all gonna be ok." "Yeah. Sure." **** We got into something of a weird routine over the following weeks. Lily would jerk or suck me off five or six times a day, sometimes more if she was bored. Some of those occasions were just to stock up for going to school, or to have a snack ready for later, but others continued to be fun play times for her as well as medicinally vital. A side-effect of taking my pills, as it turned out, was that if I didn't cum for too long, my balls would start to hurt pretty badly. It made sense, what with producing such a ridiculous amount of cum all the time. Luckily, Lily very rarely left me alone long enough for it to be a factor. Clothing became a lot less of a requirement for us. It took me a while to get truly comfortable being partly or fully naked around Mom, but after enough accidental moments the embarrassment wore off. Somehow, despite all the times we got caught, I still wasn't prepared for the first time Lily initiated and followed through with giving me a blowjob with Mom in the room. It's quite possible nothing could really have prepared me for that. All three of us were snuggled on the couch late one evening watching a movie. Lily had taken the middle seat, and had opted to stretch out over both mine and Mom's laps. She was wearing one of my hoodies over a thin top, and only panties below the waist. Her bare legs had been draped over me as if to entice. She had some success with that tactic. She pulled her foot back to rub it over my cock a few times, to which I responded by gently pushing her foot away. She was not so easily deterred, and eventually swung around to get into my pants. At that point I really did stop Lily, totally cock-blocking her. I really wasn't digging the idea of going at it with Mom right beside us, but Lily seemed quite annoyed by my reluctance. "Lemme," she hissed. "Not now," I said. Lily pouted, then turned to Mom. "Mooommm, Jess won't let me suck his cock." "Oh for heaven's sake," Mom said, shaking her head wearily. "I honestly thought you two were getting along so well." "We are," Lily said. "He always lets me every other time." She frowned at me. "Is it just 'cause Mom's here? She's seen it before, you know." "Yeah, but... it's different," I said. "Jess, sweetie, let your sister suck your cock, please?" Mom said. "I won't look." "Yeah, see?" Lily said. "It's fine." She proceeded to attack my pants again, and this time I let her. Mom was pretty good about not looking, just like she said, though I caught her glancing a couple times. To be fair, once Lily had her mouth wrapped around my cock, she made sure to be extra sloppy and noisy, probably as revenge for not giving her what she wanted right away. Possibly letting my sister become accustomed to getting my cock whenever she wanted hadn't been entirely the wisest choice. Possibly. Then again, it had some significant upsides. I forgot about Mom's peeking and my sister's brattiness as Lily got me all worked up and horny as fuck. She'd become amazing at sucking me off. She was getting so much practice at it. The next little while of watching the movie was spent with the added bonus of having my ferocious cock-sucker of a little sister hard at work. I didn't even care about Mom sitting next to me anymore. How could I care about much of anything with those warm lips, wet tongue, and snug throat giving me such exquisite pleasure? I was particularly impressed with Lily's ever improving ability to take me in her throat. She hardly even gagged at all anymore, and could take me all the way to the base if she wanted, though that still took some special effort on her part. I eventually came in Lily's mouth, giving her what she wanted. She made a show of holding the last mouthful for a moment, then swallowing it with evident satisfaction. She then stretched right back out across Mom and me like nothing was at all amiss while we finished up the movie. I got back at Lily later on, such as it could be described that way. She took a shower before bed, and came out wrapped in a towel, all fresh and clean. I followed her to her room, which she didn't seem to mind. "So what was that all about earlier?" I asked. "What was what about? I wanted cum." "Yeah, but I think you wanted to be bad too. You don't usually dive onto my cock quite so enthusiastically while Mom's right there." "And you don't usually act like you don't want it." "So, what, I'm s'posed to just lie back any time you want a go on me?" Lily shrugged. "Kinda, yeah." "Really? So what if I want a go on you?" She frowned. "What do you mean by that?" "Like, for instance, what if I just walk up and stick my cock in your face?" I pushed on Lily's shoulders, guiding her to her knees. She complied with a somewhat bemused expression. She obediently opened her mouth for me as I pressed my cock forward. I'd expected her to at least question my actions before giving in, or possibly conceding the point altogether. She did neither. Even when I took twin handfuls of her hair, fashioning crude pigtails to hold onto her, she did nothing. Getting face-fucked by her big bro didn't seem to faze her. It occurred to me only belatedly that Lily was actually super into it. When she looked up at me, her eyes were bright and full. Her towel fell off and she didn't seem to even notice. A little bit after that, I caught sight of her hand down between her legs. Things hadn't gone as planned, but that was turning out to be a good thing. I kind of liked getting to take a more active role than usual, and Lily was getting all kinds of horny as well. It was quite a pleasant discovery. I stuck with my wilder instincts when I came. Lily got some in her mouth, but most of it went over her face and chest when I pulled out. She made an annoyed squeak at having my cock removed before my balls were empty, but she calmed down pretty quickly when she realized what was happening. She sat nice and pretty, mouth held open for stray jets of cum to land in. As soon as I was done, Lily started scooping up cum and sucking it off her fingers. "Yes," she decided between licks. "You can totally do that." "I'm not sure if I won or lost just now," I mumbled mostly to myself. Truly, though, it didn't much matter. I sat on her bed and watched as Lily finished grooming herself in cat-like fashion. Every spatter of cum was accounted for and deposited. "You coulda done that before my shower, though," she said as she stood up. "I might need another one now." "You might," I agreed absently. I'd seen all of Lily's various bits by now, but rarely in a fully nude state, and then not very long at any one time. Now, as she scoured her body for any wayward streaks of cum, she gave me the best show yet. In particular, I focused on Lily's sleek little pussy as she twisted back and forth. She loved showing off her tits and how they were slowly growing, but not so much with her lower areas. She was still shy about parts of her body, I assumed. With her attention diverted, I got the longest and clearest look at her pussy that I'd yet been treated to. Despite having just cummed all over her, I felt my hormones rev right back up again, and my cock twitch back to life. "Did I get it all?" Lily asked. "I think so, yeah." "Good." I nodded. "Hey, mind if I asked you something?" Lily shrugged and cocked her head. "What's up?" "Well... this wouldn't be strictly medicinal... but how would you feel if I ate your pussy?" She flushed adorably and covered her little slit with her hand far too late to do any good. I thought I'd embarrassed her too much, because she didn't speak for several long seconds. "Would you really want to?" she asked quietly. "It looks so pretty. And it's kinda unfair I've been getting all the attention." Lily shook her head, a shy smile creeping over her flustered expression. "Not unfair. I like doing it. And I need my fix." Her hand slowly moved away, uncovering her pussy again. "But I do get pretty horny..." She stepped tentatively closer. I reached out and put my hands on her hips. Her lithe, frail body had filled out a bit since she started her 'treatment.' It wasn't just her boobs, even if that was what she obsessed over. Her hips and butt, for example, had also grown a bit. She had some padding to work with now. Just enough to give her a bit of sexual emphasis. "You really don't have to," she whispered. I looked up from her delightful lower half to her anxious face. "Maybe I think it's unfair that I haven't had the chance to play with you as much as you've had with me." Lily giggled. "That's silly." "Is it?" "Yeah. You've been cumming all over and all in me. That's what boys want." "Oh? Look who thinks she's an expert now." "Hey!" I slid my hands around her hips to her butt and pulled her into my lap. She was so sensually naked and clean against me, wiped up cum nonwithstanding. "Maybe boys sometimes want to do fun things with a sexy girl that don't just involve blowing a load in her." "You'd need a sexy girl for that." Lily shrieked as I threw her from my lap to the bed. She fell back with her limbs spread, her nude body all laid out for me. "I have one," I said. "Nuh uh." "Yuh huh." "Nuh uh!" I didn't argue further. Instead, somewhat insanely, I leaned over her and planted a firm kiss right on her soft lips. She tensed, her surprise registering clearly, her eyes still wide as I straightened up. "Don't do that!" Lily protested. "Why not?" "'Cause... just because. You can't." "You know what I think?" I asked. "No." "I think that for some reason you're still determined to think you aren't attractive." "M'not though. S'getting better." "It's pretty good already." I leaned in for another kiss, but Lily giggled and turned her head while pushing my face away from hers. "Stop, you goof." "Fine." I went for her tits instead. That she was ok with. It was like a little growth in the chest department had allowed her to believe her breasts might be enticing, even though she refused to accept it for other parts of herself. Lily quite happily let me kiss and suck on her boobies all I wanted. I'd expected as much, given how much she showed them off and wanted me to feel them. I had a suspicion that it wasn't just because she was proud of them, but that they might have increased in sensitivity with their recent growth spurt. After her tits, I trailed nuzzles and kisses down Lily's tummy to her pussy. She was a bit shyer about letting me see it, and had her thighs squeezed together tight by the time I reached it. She didn't fight too hard when I pried her legs open though. She did, however, briefly cover her face with her hands as I gazed upon her little slit from such a close distance. I gave her a kiss just above her pretty pussy, then pushed her legs even further apart. She still refused to watch, so I just dove in. Lily squealed in a very undignified manner at my first few licks. Her hand came down to my head as though she wanted to push me away, but she didn't. Her fingers tangled in my hair, neither pushing or pulling, just resting there as I helped her to experience something entirely new in her life. I had supreme confidence that I was the first to ever eat my baby sister's pussy, and so far she seemed to be loving it. Lily squirmed and wiggled a bit. I grabbed her thighs and held in her in place as my tongue flicked all over her pussy. I explored absolutely every bit of her I could reach with just my tongue and lips. She tasted so good, and her responses were everything one could hope for. Either the novelty of it or some increased sensitivity had her losing control beyond what I would have imagined. It was extremely gratifying, even if I suspected it wasn't really because I was just that good. Whatever the case, I kept licking and sucking, and occasionally fingering, until I made Lily cum all over my tongue. She whimpered softly as her orgasm flooded through her, then she went very quiet and still. I crawled back up my sister's limp form and kissed her. She kissed back this time, the only sign she'd so far given of still being conscious. "Don't be up too late, guys," Mom said from the doorway. I whirled my head, but Mom was already moving away. "Shit," I said. "How long was she watching?" Lily shrugged. "Beats me. I wasn't paying any attention." We devolved into nervous giggling as I rolled off of her onto my back. We lay side by side for a few minutes as our giggles and anxiousness dissipated. "Is it always like that?" Lily asked. "So... intense?" I shrugged. "Couldn't say. I don't think so though. Might just be you and whatever weird growth spurts your body's doing all at once." "Maybe. Doesn't feel that good with just my fingers though. That's for sure." She leaned over and kissed me. I put my hands on her bare sides, gliding my fingers along her soft, perfect skin. I had to give in and get up to shut off the light before we got too involved, but after that it was snuggle city. Neither of us wanted to be apart. We huddled up together under Lily's blankets, warm, naked flesh pressed together in a secure and sensual embrace. "You don't think Mom likes watching us, do you?" I asked. Lily giggled softly. "Maybe. I know I would." "Yeah. I guess. I don't know how to feel about it." "Maybe don't worry about it." I snorted. "Yeah, maybe." Lily's breath was hot on my chest. Her fingertips danced lightly over my skin. My body couldn't decide whether to get horny and try something again, or settle in and bask in the ultimate cuddle session. "I liked that thing you did," Lily said. "Licking your pussy?" "Oh yeah, that too. Both things, then." "The face-fucking, you mean?" Even without light I could sense her blush. "Yeah, that. It was pretty hot." "It went better than I expected," I admitted. "I kinda didn't really mean to go that far." "Well... I meant it. About doing it again sometime. If you wanted. Or whatever." "Good to know." Lily went quiet again. I stayed silent too, mainly listening to her cute breathing sounds, and feeling her heartbeat in its slow, relaxed rhythm. "Jess?" "Yeah?" "Thanks for everything. You're the best brother." I caressed her cheek with my thumb and kissed her softly. "Love you, Lily." "Yeah. Love you too." **** I decided the hell with any sense of propriety, given that Mom and Lily seemed to have abandoned it entirely. I got Lily to suck me off in the kitchen the next morning, then came all over her breakfast. She, of course, was delighted. Mom was bemused, but didn't say much of anything about it. We sat next to each other while we ate breakfast. Lily's hand was in my lap practically the whole time, slowly jerking me off under the table. She eventually made me cum straight into a thermos so she could have some for later while she was at school. Even that wasn't enough to really sate her. She jumped me as soon as I walked in the door that evening, and within a minute had me half naked on the couch, her mouth working my cock. My life had become a series of moments between my little sister making me cum. It wasn't the worst fate, really. We cuddled on the couch after she got her snack. My hand sneaked under her shirt, and she toyed with my cock and balls as though they were just something for her to fidget with. "I might be joining the volleyball team," Lily said. "Yeah? I didn't know you were interested in it?" "Well... it's never really been an option before. But now, like, I can kinda do sports stuff. Somewhat. I'd only be a backup, and I'd probably never even get to play in real games or anything, but it could be fun." I hugged Lily tighter to me and kissed the side of her forehead. "That's great! I'm glad you're getting to try some stuff out." "Mmhm. I mean, I have massive pity points accumulated, so I can basically get into anything I want." "True, true." "Kinda like how you and Mom let me get away with murder." "Also true." I shrugged. "Though to be fair, anyone who sucks me off like you do doesn't need pity points." Lily grinned. "Good, then I'll save them for a special occasion." We goofed around a bit, touching and teasing each other, before calming back down and settling into prime cuddle positions once more. "I'll need more cum to take with me if I'm going to practices though," she informed me matter-of-factly. "Do you? I mean, it doesn't really boost your energy right away or anything. Does it?" "Well... technically no." Lily squirmed in my embrace. "Dr. Michelle says that I'm developing an addiction or something. Psychologically, not physically. Says it's all in my head that I feel better every time I drink some." "Which means..." "I dunno. Just, like, I feel like I can do more right after I have some, so maybe it's working for me somehow?" "Is that healthy? You getting all addicted like that?" "Hell if I know. But I'm definitely not going back." She gave me big puppy eyes. "You wouldn't make me stop, would you?" "Never," I declared easily. "You needing your fix really isn't anything I'm too concerned about. Not if it's just so you feel like you have more energy." "I feel better all over," she corrected. "It's like... it's like having a little orgasm, but different, and my whole body gets all focused and stuff. Like, even if it's all in my head, it feels really good, you know?" "Not really, but I believe you." "That's fine. I'll take it." **** Lily did, in fact, end up joining the volleyball team at her school. I got to watch her at practice a few times when I went to pick her up. She was clearly not at the level of the rest of the team, but she was having such a blast with it and didn't even care that she didn't get to play in any actual games. It was good to see her getting out there, trying new things, being more socially outgoing. She was making new friends, and hanging out more with her old ones. One of the highlights for her, even at her age, was going to a sleepover with a couple of her friends from way back. She'd never been able to before, just didn't have the stamina for it even if nothing else went wrong, but now it was no problem. I, of course, sent some 'snacks' along for her, just in case. Meanwhile, I hadn't watched porn in over a month. Maybe two. Even jerking off was rare, though I did it occasionally, usually when building up a supply for Lily to take with her somewhere, or to hold her over if I was busy or not around for a bit. Lily took care of me as often as possible, mostly for her own purposes. I was benefiting greatly from it regardless of her motives. My cum-hungry little sister was licking, sucking, and stroking me so much that it began to feel weird being in a room with her for very long and not engaging in some naughtiness. Despite being closer than ever, despite our constant fooling around, despite our mutating feelings for one another, she still managed to totally surprise me one day with an angle I'd managed to not even consider. "I got asked out today," Lily said casually as we lounged together in the living room. She idly played with my cock, while I in turn ran my fingers up and down her pussy. Neither of us were really giving the mutual masturbation much attention. "Oh?" I said. I experienced a sudden surge of mixed emotions. Happy for her, of course, but also jealous and possessive. She was my sister. Boys shouldn't be asking her out. Silly, but that was what I felt. "Yeah. It was kinda cool. It's never happened before." Lily shrugged. "I said no, of course." I tried to act nonchalant, like I wasn't super relieved. "Why 'of course'? You weren't interested?" "Not really, no. But also... it'd kinda be cheating. In a way." I examined her sidelong, doing my best not to be obvious about it. What Lily and I were doing had long since passed the barrier of being purely medicinal and platonic, if indeed it ever had been. But to call going out with another boy cheating? "I don't know if I'd say that," I said carefully. "Well I would," Lily said definitively. "I already have a boyfriend." "I'm your brother." "You can be both." "Not by most people's definition." "Still, though." I remained silent and thoughtful. Lily went slightly red, her hand squeezing harder around me as she absently jerked me faster. "I mean, I don't have to be your girlfriend or anything. You could still see someone else if you wanted." "That doesn't seem fair." "It's not, exactly. But, like, I know you don't see me the same way I see you. And that's fine. You've been so great, and I know how much you love me, even if it's still just as brother and sister." She glanced down at our hands, hers on my cock, mine on her pussy. "In our own way," she added. "I guess I can kinda understand that. But, like, I wouldn't say you're just a sister to me." Lily met my gaze, her eyes all big and hopeful. "You wouldn't?" "I don't think so, no." "So, like... what then?" Talks were getting pretty serious. In light of that, I released Lily's pussy and turned toward her on the couch. My jutting cock rather undermined any sense of gravitas, but I did my best. "I never really thought about it quite that way," I said slowly. "But I think maybe... maybe I want you to be my girlfriend." Lily beamed. "Yeah?" "Yeah. Not in the traditional way, I guess, but we already spend so much time together, and we do so much sexy stuff... it kinda makes sense." "That's what I thought." Lily looked down shyly. "Plus I can't really see ever loving anyone else as much as you." I had to kiss her. I had to. She was stirring up feelings in me that I now realized only she could produce. In all respects, other than being my baby sis, she was kind of an amazing girlfriend. Our kiss drew itself out longer and got more involved than I meant it to. Lily clung to me as our tongues wrestled. I felt her heat, and her desire. I wanted her so badly, but I didn't really understand the urge. It wasn't a sexual desire in the way I usually understood them. Possibly I was cumming so often these days that sexuality didn't mean the same thing for me that it used to. Our makeout session got even longer and wilder. I couldn't let her go. She fell to her back, pulling me on top of her. My hard, throbbing cock pressed dangerously against her pussy, and I had to be careful about where I went with it. The last few articles of clothing between us were tossed to the floor. Only out naked bodies remained, grinding and rubbing together, getting all horny and sweaty. "Oh god, Lily," I whispered. "Jessss," she hissed back. Her wet little pussy rocked against me, firing my need into something new and volatile. "We need to stop." "Why?" "You know why. You can feel it." Lily was quiet a moment, then, "I'd be ok with it." "Lily!" "Well I would. If I was gonna have my first time with anyone... it'd be you. You know it'd be you." Her eyes were so damn big and soulful. "And I'm your girlfriend now, right?" "Yeah, but... but..." I trailed off. I didn't have a good answer for her. I wanted it as bad as she did, and it made sense given where we'd arrived in our relationship. But the idea of actually having sex with my li'l sis? Actually filling up her pussy and fucking her silly? It was a lot. It was tempting to the nth degree, but it was a lot. "We can't right now anyway," I said through a tight, regretful jaw. "Not the way I cum these days. That's too risky." "That's... not actually a problem," Lily said carefully. "In what way?" "Like... I guess I never told you this. Never seemed relevant, really. But, like, I can't have kids anyway." "What?" "Yeah. Some of my inside bits never grew right." Lily shrugged. "I was pretty upset when I found out. Felt like something else had been yanked away, and I wasn't doing so hot in the first place. But, like, I thought about it, and I wouldn't have wanted to pass on what I have anyway." She shrugged again, her eyes darting everywhere except right at me. "Adoption was always my best option, I think. It just kinda got forced on me either way." "You really can't..." She shook her head. "No. But maybe... maybe it's kind of a good thing, weirdly." "It is?" Lily met my eyes with a shy but mischievous smile. "In theory, you could cum in me all you wanted and it'd be fine." A shiver ran up my spine. "I could, couldn't I?" "You really could." Lily arched her back and pressed her pussy to me more firmly. I groaned and pushed back, feeling her heat. My cock was straining, wanting the action, feeling its proximity, but not being allowed its freedom just yet. "You'd really be my girlfriend then," I said. "I already am. You said. No takebacks." "No." I smiled. "No takebacks." I stood up, then grabbed Lily before she had a chance to protest me leaving. She'd put on some weight since the last time I'd carried her, but she was still very manageable. She squealed and hugged me tightly as I held in my arms and carefully walked her to her room. I set her on her bed as delicately as I could. My drop was a bit uncoordinated since she wouldn't let go of me and I had to follow her right down to the mattress. Lily kissed me ferociously while her hands caressed and mauled my back. Her lithe, nude form writhed beneath me, even as she tried to pin me down on top of her. She was trying to do too many things at once, but all of them were sexy. I had to pry myself away from her clutching grasp, in spite of her pitiful noises and protests. "Hey! Come back!" she demanded. "Not yet." "You're going the wrong way." "No I'm not." I nuzzled Lily's boobs and gave them each a kiss. I sensed her conflict as I played with her tits since she loved when I gave them attention, but also wanted something very different from me right now. I kissed a trail down her tummy to her pussy. She was wet and puffy and horny, all ready for me. "You don't need to do that," Lily said. "I want to." "Yeah, but... not now? Please?" I ignored her and gave her some kisses and licks while spreading her thighs wider with my hands. Again she was torn between enjoying what I was doing, and desperately wanting something else. Lily squirmed and whimpered as I ate her out. Her wet little pussy flooded my tongue with her taste. She gave me more than ever before, all in anticipation of having me inside her for the very first time. "Jeeeessss," she whined. I didn't stop licking. "Jeeeessss, pleeeaaase. I want you." "Soon." "Now!" I smiled and sucked on her clit, which only shut her up for a moment. "Please, big brother?" A small shiver ran down my spine, and I had to look up into her big, pleading, baby sister eyes. "Please?" she repeated. "Goddamn, Lily. Don't look at me like that." "Why not?" "It's not fair. That's why not." I crawled back up her body, trailing another path of kisses over her soft, naked skin. I saved the biggest, longest kiss for her pouting lips. That combined with my steely hard cock pressing against her mollified her somewhat. "So mean, making me wait," she whispered. "Some girls would be happy getting foreplay, you know." "Maybe if our entire life wasn't foreplay..." "Yeah, that's... that's kind of a good point." Lily bit her lip. "Can you please do it now? I don't think I can wait." "You're ready?" She gave me a disbelieving look. "I couldn't possibly be more ready." "Just wanted to be sure." "Yeah, yeah." Lily reached down and found my cock with her hand. She nudged the tip so that it was pressed right against her impatiently waiting pussy. I couldn't make her wait any longer. I wasn't sure I could wait any longer either. Our moans of pleasure combined into one long, low sound as I pushed inside Lily as slowly as I could. Her pussy embraced me just as beautifully and sensually as I ever could have dreamed. She was so tight around me, yet so wet and accommodating that I didn't have to worry about hurting her. I sank deeper into my sister's formerly virgin pussy, using soft little thrusts to help me along. She clutched at me, at my back and at my hair, trying hold onto something as she was filled up for the first time. "Jeeessss..." "Almost in," I whispered in her ear. "Almost there." She nodded and kissed my cheek, then my neck, then lost herself for a moment as I gave one last thrust to bottom out inside her. "You're in me," she breathed. "I am." I lifted my head away from her just enough to see her face. She was smiling so wide, and her eyes were a little misty. "I love you," she said in the smallest, most adoring voice. "I love you too, Lily. So much." She pulled me back down and kissed me firmly. I started rocking my hips, grinding inside her while our tongues wrestled. We were officially fucking. Me and Lily. My li'l sis. And it didn't even seem weird or wrong. It felt like something we were meant to do. Something we'd just been waiting for. Her tight pussy gripped me in the perfect mix of tight and slippery, allowing me to move freely while squeezing me oh-so-snugly. My desire to go gently on her faded away in favour of pounding her harder and harder. Her eagerness and the invitation of her squirming, naked body urged me on, inviting me to give in to all the things I wanted from her. Time lost meaning for me. I had no idea how long we spent lying together, writhing and grinding passionately. Our sexual union existed somewhere else entirely, in my mind. It could have lasted forever, we could have shared that moment for eternity, and it would have been absolutely perfect. Lily's orgasm broke the spell in a beautiful sort of way. She squeezed me even tighter, making me gasp and involuntarily slow down. She mewled and scratched my back, while also wrapping her legs around me and holding me down. Her desperate embrace slowed my movements, but there was no way I was stopping. My sister's excess of pleasure fueled mine to an unmanageable degree. I kept going, hard and frantic. I needed to cum. I was going to cum. Inside Lily. In her tight little pussy. She wanted it almost as badly as I did. I could see it in her eyes when she looked at me. Mostly she was busy kissing or nuzzling me somewhere, but the desire in her expression was unmistakable after cumming in her mouth so many times. She wanted cum. Even though it wasn't going to her tummy, she still craved it like no one else could ever understand. I pounded Lily extra hard right at the very end, then stiffened and let out a primal growl as my cum exploded within her. Such a torrent flowed from me that I was sure it wouldn't find room, but in fact most of it stayed in her pussy, and only dribbled out a little when I pulled out. I looked down at Lily's pussy, then up at her beaming face. I slowly, carefully, lay down beside her. She put a hand over her pussy, just holding it there, feeling the results of our first time together. "That was amazing," she said in an awed, hushed tone. "It really was," I agreed emphatically. "You came so much." "That can't possibly be a surprise after all this time." "Yeah, I guess. Feels like more down there, is all." "Maybe it was. Felt like a lot from my side too." Lily smiled wryly. "Might have to do tests. Find out for sure." I giggled manically. "Yeah. Maybe. Any excuse to do that again, really." She giggled too. "Really, though." **** We spent the night together, of course. We couldn't bear to be separated, even for sleepy times. Lily snuggled against me just as tightly as she could manage. She spent the time before falling asleep drawing imaginary pictures on me with her finger, and occasionally murmuring a question or random thought she had. Morning found us fooling around again even before we were truly awake. I was halfway convinced that Lily had been sleep-jerking me, and I knew for a fact that I started fingering her before she opened her eyes. The actual timeline on waking up was hazy. Once we were both worked up enough, and Lily was satisfied that I was as hard as I was getting, she crawled on top of me and slid onto my cock just as easily as if she'd been doing it for years. She sighed blissfully and her eyes went halfway closed as she sank all the way down my shaft. Lily rode me slowly and gently, taking all the time in the world. We were horny, yes, but we'd gotten a lot of the urgency out of the way, and were much better able to take our time and really savour the experience. It struck me just how self-assured she'd become. No longer the shy, nervous little sister I'd known for so long, but instead a girl who knew what she wanted and would simply go for it. She wanted my cock, she got my cock. Just for instance. I grabbed Lily's butt as she rocked back and forth on top of me. She giggled as I played with her ass, then smiled approvingly when I slid my hands up her sleek body to her tits. She still liked it best when I fondled her chest. Lily's movements got a little faster as I massaged her tits, but she was still pretty restrained. She was prepared to make it last, which was fine with me. I couldn't imagine a better way to spend my time. The only problem was that we were so wrapped up in each other that we weren't paying any attention to anything else. As was getting to be a bad habit, Mom was able to sneak up on us and watch without either of us being aware. "Don't be too long, guys," she said from the doorway, startling both me and Lily. "Remember, it takes a while getting you ready for school these days, Lily." I remained frozen until Mom left. Lily kept grinding on me, but her hips moved quite a bit slower with the intrusion into our space. "How the hell long was she there?" I asked. Lily shrugged. "Dunno." "Wasn't the door closed?" "Yeah, I think so. But, like, a bomb coulda gone off outside and I might not have noticed." "That's an exaggeration." "Yeah. Maybe." I pulled Lily in for a kiss, then smacked her butt to get her going again. She giggled and rode me harder, really leaning into the teasing spankings. Lily hissed in pleasure when I came in her pussy for the second time. She bounced frantically on my cock and had an orgasm of her own as a result of being all filled up with brother-cum. It was a bit of a rush getting her out the door on time afterward. She insisted on still getting her morning dose of cum, as well as some to take to school with her. She had to suck me off in the shower while I washed her hair for her, which was quite an odd mix of efficiency and depravity. I was sufficiently relieved that Lily wasn't late getting out that it didn't even occur to me that I'd made it to the kitchen without putting any clothes on. Still, it wasn't like Mom cared, and I was pretty well getting used to being around her in compromising ways. "So, you and Lily are having sex now," Mom said, not really making it a question. "Yeah," I said. "We are." Mom fiddled with some dishes instead of looking at me directly. "You're not seeing anyone else, are you?" "Of course not." "Good." I noted the tension in her shoulders. "You're worried about Lily?" "About both of you, really." "You don't have to be." Mom turned to me and smiled wryly. "Part of being a mother, sweetie. I'm always worried about you two." "Oh. Isn't that tiring?" "Exhausting." Despite my nudity, Mom gave me a big hug and kissed my cheek. My cock stirred at the close contact and press of her breasts against my chest, and I viciously swore at it in my head. She wasn't the right female family member to get aroused over, damn it. **** "I think Mom likes watching us," Lily told me later that day, after we were both home and she'd sucked me off as eagerly as if my cum was a life-giving elixir. She'd draped herself half-nakedly over my lap afterward as we cuddled on the couch. "I've been getting that feeling," I agreed. "Says she worries about us, which I believe, but there's definitely something else, too." "You think she just likes seeing us happy, or... something pervier." "Kinda the latter." I shrugged. "But who's to say." "I guess." Lily mused quietly for a moment, then smiled up at me. "You ready to go again?" I mock groaned. "You're insatiable." "That I am." She bounced to her knees. "I really like fucking. We could do that again." The innocence of her delivery pushed the right buttons for me, and my cock stirred in my lap. "We could." She wiggled back and forth with her hands on her knees. She was like a puppy waiting for a stick to be thrown. "Maybe now?" she suggested none too subtly. "You know," I said, "if you keep up this rate of sexy times, that's all we're gonna be doing." "I'm fine with that." She shrugged. "'Sides, I've had enough time for school and friends and stuff." "You're never off my cock for very long when you're home." "I don't see you complaining." I grinned lopsidedly. "That's true. Just as long as you're aware." Lily shrieked in delight as I stood up and grabbed her around the waist. I half-dragged her away and off to my room. She giggled and wrestled me, inasmuch as rubbing her horny little body against me could be considered resisting. "I don't mind being your full-time cock-slut, you know," she said wickedly. I gasped in mock-horror. "Such language! What happened to your innocence?" "Was never innocent. Just inexperienced. S'different." "Fair. But really, I feel more like I'm your sex toy than you are my 'cock-slut,' as you put it." Lily gave my cock a squeeze. "Either way is fine by me. Just as long as I get that cum." I snorted. "It's not even about that anymore. Don't act like it is." "It's still about that! Somewhat. A bit." Lily squirmed. "And a bit about other stuff." "Naughty little thing, you." Lily squealed as I threw her to my bed, and somehow she managed to land with her legs widely spread for me. Quite the coincidence. I looked down at my beloved baby sis, all cute and slutty for me. I felt like the luckiest brother ever. "God I love you," I said as I crawled on top of her and kissed her neck. I pushed her shirt up and over her tits to gain access to them. Lily made a sound halfway between a moan and a giggle. "Love you too, big bro. So much." It was all so perfect. Our love, our lust, the exquisite feel of her pussy as I slid inside her, the warmth and intimacy of her embrace... I'd never expected things to go this way just for trying to help Lily out, but goddamn was I glad I'd gone along with it. Being a good brother had its perks after all. **** Author's Note Again: This is the end, kinda. What follows is a bonus, semi-non-canon scene for those who feel Lily's butt and/or Mommy dearest didn't get enough attention and/or cock in the main story. I mean, you can still read it even if you don't like that kind of thing. Who am I to stop you? Follow that rebellious little heart of yours. **** It was Saturday, and Lily had plans with her friends that afternoon. That shouldn't have affected me all that much, except of course that nothing she did these days could really go ahead until we'd prepped. In this case, we'd already filled Lily's favourite thermos with fresh cum so she could take it with her, and we were following that up with a quick kitchen fuck so that I could fill her pussy as well. It turned out she really, really liked being all sloppy and gooey and full of her brother's mess when she went out into the world. Not just in her tummy anymore, but her pussy as well. Being a loving and caring older brother, and certainly not for selfish, sexual reasons, I did my best to help Lily out. These days she went to school, or to hang out with friends, or whatever else with her pussy full of my cum as often as not. And I had to admit, aside from the obvious fun of getting her set up, it was kinda hot knowing she was walking around like that in public and around other people. Lily was bent over the kitchen counter, naked except for her shirt and socks, and happily cooing as I pounded her tight little pussy. I smacked her ass occasionally, which had about an equal chance of making her giggle or moan. I eventually groaned and shuddered as I came massively inside my baby sis. She sighed contentedly as my thrusts slowed to nothing, and she was all filled up. "Mmm, thanks," Lily said. "That'll do nicely." "Any time," I assured her. I stayed inside her even as I went soft. It was a cozy way to calm down afterward. "Kinda surprised, though. You're not leaving for, like, another hour. Usually you want a fresher load for going out." Lily bit her lip and gave me slightly guilty eyes. She was up to something, it seemed, though I couldn't imagine what. Her trickery tended to begin and end with getting brother-cum, one way or another. She already had that. "I was thinking..." she said. "Yes?" "You know how you cum in my pussy?" "Sure." "And my mouth?" "All the time, yes." "Well... it'd be kinda cool if you, like, came in my butt too." There it was. My cock restiffened within her, gradually expanding back to full strength. I still didn't know quite what her end game was, but the insinuation was that it was going to be something new and sexy. "Your butt, huh?" "Yeah. Like, what if I went and hung out and everything, but I was even more filled up with your cum?" I looked down at Lily's butthole, which I had a very clear view of thanks to her bottomlessness and bent over position. "I mean, you know what we'd have to do if you wanted that." Lily nodded, looking both nervous and excited. "Sure." "We haven't done that before." "I know." "And this isn't a very romantic way to try it out." "It's not meant to be romantic. People don't do butt stuff because it's romantic." Lily paused. "At least I don't think they do." "You're serious?" "Yeah." As if to prove her point, Lily sucked on two of her fingers, getting them all spitty, then rubbed her butthole. As I watched, totally entranced, her middle finger slowly poked its way in, albeit only just the tip. "Well, then," I said absently. "I play with it every now and then," she said. "Not a lot, nothing big, but... I could do it, I think." "I've never seen you play with it." She flushed. "Well I was kinda embarrassed about it." All the shameless cum-sluttery she'd displayed without a hint of reservation, and this was what she embarrassed about. Figured. I hadn't seen Lily so shy or flustered about anything sexy for quite a while, and I'd forgotten how cute it was. She watched me over her shoulder, gaze flicking around anxiously, hoping for something good from me. "You were embarrassed about playing with you butt in front of me?" "A little." Her finger was still stuck in her ass, though it would only need a slight pop to come out again. "Can you put your finger in deeper?" Lily smiled cautiously. "Yeah." She brought her hand back to her mouth, slobbering over her fingers even more than last time. Her middle finger vanished all the way to the second knuckle this time. It was by no means the most impressive display of anal proficiency ever, but it had such an innocent sluttiness to it that I halfway wanted to jam my cock in there and give her exactly what she wanted. But, of course, that wouldn't go very well at all for either of us. Lily's lips parted in a gentle gasp as she slowly fingered herself in and out. She had definitely done this before. She was also succeeding pretty hard at enticing me to take things further. I sank to my knees behind Lily. I had an even closer view of her anally fingering herself, but I only watched a bit longer before gently pulling her hand away. She squirmed in anticipation, so I grabbed her butt cheeks firmly in both hands, both spreading them apart and keeping her still with one move. I couldn't help myself at that point. She was right there, her asshole fully mine for the taking. I had to admit to having been curious in the past, having thought about doing butt stuff, but it hadn't been much of a serious consideration. Now, however, with it practically being forced upon me, it seemed those silly little fantasies were to become something far greater. I licked a small line across Lily's butthole. She tasted clean and fresh, having just showered before we'd started our preparatory naughtiness. In a more emotional and euphemistic sense, it was also quite dirty. Eating my li'l sis's ass? Yeah, not exactly prim and proper behaviour from either of us. Lily squirmed some more as I licked and licked. Her legs flexed with barely contained excitement, and I saw her toes curl a few times when I took quick breaks to finger her. I lubed her up with some of the cum from her pussy on top of all the saliva I'd coated her butthole in. I also snuck my cock in her sloppy snatch just to make sure it was all slippery too. Then it was time. Lily tensed up when I pressed my cock to her butthole. I went slow and rubbed the small of her back reassuringly, careful not to try pushing in when she wasn't physically ready for it. I definitely didn't want to hurt her or scare her off the idea. She gasped and tightened up again as my cock head slipped in her impossibly small butthole, but was much quicker to relax this time. She pushed back, helping me to get deeper into her bum. Her infrequent tensing diminished the further I made it inside her, until she seemed to have adjusted entirely. "Oh wow," she breathed. "That wasn't as hard as I thought. Didn't even hardly hurt." "So it hurt some?" "Only a very, very little. Just at the start. But, like, really not that bad." Lily smiled over her shoulder. "It feels kinda nice, actually. Better than my finger." "I would hope so." Another small push and I was all the way in, as deep as I possibly could get inside my sister's ass. She had a hand down between her legs playing with herself. She gave little involuntary squeezes still, but mostly she was getting used to the brotherly anal intrusion. I fucked her so slowly and gently at first that I was barely moving. Lily was happy with that for a while, and her hand sped up even just at that tiny movement within her bum. When she started rocking back in synch with me, I figured she was ready for more. I held Lily's hips and fucked her harder and faster, speeding up just as gradually as I could. I still kind of lost control after a while. It was nearly impossible not to succumb to the sheer naughtiness of pounding my baby sister's sweet butthole in the middle of the kitchen. Lily grunted and winced a few times, so I slowed down again, assuming I'd gone too far. She frowned at me. "Don't stop," she insisted. "It seemed like it was hurting." "Only a little. Just when you went really deep a couple times." She gave me her shy, halfway embarrassed smile. "But I think I really like when you do that." I probably was getting just a tiny bit deeper when I thrust all the way in as opposed to sliding as far as I could. I wouldn't have thought it would make that much difference. Maybe it was the depth and the force of it together or something. Either way, I still didn't want to hurt her, but her expression was turning to annoyed until I gave in and went back to full, deep strokes. We really got into a good rhythm for a while, only pausing occasionally to lube me back up from Lily's gooey pussy. She was having entirely too much fun with getting her bum pounded, which worked out well for me because I was enjoying it way too much too. We were definitely going to have to do this some more. Unfortunately, our choice of venue did come back to bite us in the ass somewhat. Mom walked in on us mid-buttfuck and chided us disapprovingly. "Oh come on, guys," she said. I turned my head and raised an eyebrow, wondering if me pounding Lily's butt in the middle of the house was where Mom finally drew the line. "You're going to make such a mess," Mom continued. She walked over and scraped a finger up the inside of Lily's thigh, scooping up all the sexiness that had leaked out of her pussy. "Do you know how often I have to clean the floors because of you two?" I grinned. That seemed about right. Mom's chastisements had become a surreal amusement to me. Things like, "Lily, stop sucking your brother off while we're eating dinner," or, "guys, seriously, you have to keep your clothes on when I have people over," or indeed, "if you get any cum on the furniture, it's gonna be you two scrubbing it off!" And here, again, she'd caught me with my cock shoved up Lily's ass, and she was worried about a little cum dribbling to the floor. Classic Mom. "Sorry, Mom," Lily said. "Lemme take care of that." Lily took Mom's whole finger in her mouth and sucked it clean. Mom froze, somewhat taken aback by her daughter sucking on her finger like that. "And what about the rest of it?" Mom demanded, though the quaver in her voice suggested she was only holding her air of authority through sheer willpower. At first, Lily didn't seem any more certain than Mom, but then an assured smile crept over her face. "We can do something about that too," Lily said. I frowned as Lily nudged me back. My cock popped out of her butt, and I wanted nothing more than to grab her and push back in. She was up to something, though, and it probably wasn't a great idea to fight her on it. Not until I knew what it was, at least. Lily turned and hopped up on the counter, sitting her bum right on the edge with her legs spread. Her cream-filled little pussy was splayed lewdly for both Mom and I. It was only then that I had a sneaking inkling of what naughtiness my not-so-innocent baby sister was up to. "You're welcome to clean me up, if you want," Lily offered easily. I thought for sure this would finally be the time Mom exploded and tore into the both of us for our wanton ways. Yet again, I was wrong. All those times Mom had watched us, or snuck peeks, or seemed a little too interested, they now came to a head all at once. I watched wide-eyed as Mom took a slow, hesitant step toward Lily, then bent over at the waist. Lily gasped and leaned back as Mom dove right in. There was still some hesitation, but Mom must have been wanting something like this for a long time, because she was soon licking away at her daughter's little cunt like she'd been doing it for years. "Oh, Mommy," Lily breathed, eyes half-closed in unexpected pleasure. She tangled the fingers of one hand in Mom's hair and bit her lip as sloppy sounds came from between her legs. I couldn't believe what I was seeing, but I couldn't deny how amazingly hot it was. Admittedly, I was already unfairly worked up from getting to fuck Lily's butt for the first time, then getting interrupted halfway through. But even still, my mom eating out my sister right in front of me was the stuff wet dreams were made of. Mom's full ass was stretching her pants tight directly in front of me, and right at cock height. I tested her reaction by pressing my painfully hard erection against her butt. She didn't acknowledge the move in any way, so I pressed more firmly, grinding up and down on her. A low moan emanated from Mom, and she wiggled her ass back against me. Confirmation, if it were needed. I took hold of her hips and used her mommy-butt as a masturbation toy, something to tide me over while she ate Lily out. Feeling emboldened and hornier than ever, I pushed my luck and tugged at Mom's pants. I gave her plenty of opportunity to stop me, but she once again didn't acknowledge that I was doing anything at all. Mom's panties were surprisingly smooth and silky, which was quite nice on my cock, though somewhat unsatisfying. I needed something a bit more substantial than that. It didn't take me long before I was pulling her panties down too, then grinding directly on her ass, skin to skin. I was rubbing my cock mainly on Mom's ass cheeks at first, but it naturally gravitated to her butt crack. I thrust again and again into the soft cleft between her butt cheeks. I was getting dangerously close to fucking her, from a certain perspective, but wasn't sure I was ready to go quite that far. Lily finally pushed Mom away and slid off the counter. Both of them were breathing heavily, and undiminished lust burned in their eyes. "That counter's hurting my butt," Lily said. "We should go somewhere softer." She got no disagreement. Mom kicked off her pants and underwear that had bunched up at her ankles, then she and Lily led the way to her bedroom, both of them now bottomless. I walked behind, staring at the swaying asses of my mom and sister. Their bare butts, while very different in size and shape, hypnotized me with equal success. Lily in particular was swinging her hips far more than necessary, and she glanced back every few seconds to check on me and make sure I was watching her. She smiled at my overwhelmed expression. The remainder of our clothes got tossed haphazardly to the floor as we reached Mom's room. Lily got naked first and bounced onto the bed with a soft, anticipatory giggle. I took a moment to appreciate how hot Mom was, especially with her clothes off. It wasn't something that ever would have occurred to me before, though being with Lily had broken some of the incestuous barriers down for me already. Once I took the time to do it, I was fully able to appreciate her form without the kneejerk reaction of being grossed out just because she was my mother. Mom didn't have the petite, lithe body that Lily did, but the fuller tits, hips, and ass made for a nice counterpoint in their own way. I realized that under the right circumstances, I'd fuck my mom. I would totally fuck her. And these circumstances might just be the exact right ones to make that happen. Now fully nude, Mom crawled across the bed to Lily, who had reclined herself at the head of the mattress, propped up on the pillows. Mom went for Lily's tits, which delighted Lily, given her love of getting attention in that region. Lily made eye contact with me while Mom sucked and fondled her boobies. "She's been wanting this a while," she said. "Yeah, I got that," I said. "We should give her what she wants." I bit my lip and looked at Mom's big ass. It was just sitting there, waiting for some familial love. "We should, shouldn't we?" Lily grinned at me as I took position behind Mom. I felt pretty confident that I didn't have to worry about any jealousy from her. It only belatedly occurred to me that I should possibly have felt some when Mom started eating her out before. That had been exclusively my domain previously. But it wasn't like any of us were going out and finding someone else to bring to the bedroom. It was different. It was family. There was no need for jealousy between us. I had to taste Mom's butt. I had to. After seeing it, and rubbing my cock all over it, and especially after eating Lily's ass for the first time not so long ago, I had to do it. I felt Mom's reaction clearly as I licked and slobbered all over her butthole. Her asshole pulsed, her hips wiggled, and once I ventured down to her pussy, I found a waterfall of arousal waiting for me. Switching between Mom's cunt and ass really got her worked up, until I eventually focused exclusively on her pussy to get her over the edge. She came hard on my tongue, finally releasing some of that pent up horniness within her. I, however, was still wickedly horny. Without waiting for Mom to recover fully, I shifted position and pressed my cock to her hot, wet pussy. She moaned and tilted her butt up toward me even more as I penetrated her from behind. Lily's eyes were wide and gleaming as she watched me slide into our Mom's pussy. She bit her lip shyly when she noticed that I'd caught her staring, but she didn't avert her gaze. She wanted to catch absolutely every second of it. I worked up to a good rhythm fucking Mom, while she in turn went back to licking and tongue-fucking Lily. All three of us were caught in the emotion and lust of the moment, helpless against our naughty desires. It was family bonding taken way, way too far, and none of us cared. Personally, I couldn't get enough of seeing Lily writhing in pleasure from a brand new angle, while simultaneously pounding a new and forbidden pussy. I was consumed with the intense hotness of a threeway with my mom and sister. It was a magical, sexual experience that I simply didn't have a comparison for. Lily came loudly as Mom sucked on her clit. Watching her get eaten to such an orgasm got me fucking Mom even harder, and soon after I was pumping a load of cum into my mommy's cunt. That, in turn, caused Mom to moan and squeeze her pussy tightly around me as she came as well. We were an orgasmic mess for a while. I collapsed next to Mom, who had given up licking Lily in favour of lying half on top of her, panting for breath. Lily, the least exerted of us, idly toyed with Mom's hair and watched the two of us through heavily lidded eyes. "You shouldn't have cum in her," Lily told me without a hint of judgement in her voice. "Oh. Yeah. Maybe not," I said. Lily shrugged. "It'll be fine. I'll get you all cleaned up, Mom." Lily wrestled Mom around until she was on her back with her legs spread. Reversing their roles from what had started this whole thing, Lily then began eagerly licking my cum out of Mom's creamy cunt. I knelt behind Lily and put a hand on her butt. She gave a low growl of approval, and her hips got quite wiggly. She arched her back more, presenting her pussy even more nicely as I pressed my cock against her butt. It was kind of a toss up whether I went for her pussy or ass, but I figured her ass would need lubing up again, whereas her pussy was more than ready to go. The pills I was on were really proving themselves today. I sank into Lily's sweet little hole, feeling just as fresh as if I hadn't already cum multiple times in the past couple hours. Lily cooed happily in between frantic bouts of licking as I pounded her wet little pussy. I, too, was quite happy to fuck her for a while. Sure it was hot pounding Mom, but with Lily it truly felt right. She was the one I was meant to be with. Lily kept licking Mom until she'd pretty well exhausted the supply of cum she could reach, and Mom tapped out after another orgasm induced by one of her children. After that, Lily rolled over to face me, while still half draped across Mom's nude form. She stared lovingly at me while I pounded her to an orgasm of her own, shortly followed by me filling her pussy up yet again. "Mmm, that's better," Lily sighed as I snuggled up with her, using Mom's recovering body as a pillow. "It's nice having cum all licked out of me and all, but I'd rather have it in me, you know?" "I really don't," I said. "But I believe it makes you happy." "Sure does." Lily closed her eyes and pulled my arms tighter around her, looking for all the world like she was ready to go to sleep right there. She was so damn cute with that contented little smile and no care in the world. "You're gonna be super late for hanging out with your friends," I remarked absently. She sighed. "Yeah, I guess I better officially cancel, huh?" She stretched out, incidentally rubbing her boobs across my chest in the process. "I really don't feel like going anywhere." "It'd be polite." Lily nodded and reluctantly slipped away from me, pausing only to give Mom's butt a fond pat on the way by. She cupped a hand over her pussy as she padded out of the room, presumably to make sure no cum leaked out, rather than for any token attempt at modesty. She returned moments later, phone in hand. She cuddled back up with me and Mom before embarking on a brief flurry of text exchanges. "There, done," Lily said. "They're cool with you bailing?" I asked. "Sure. Blamed it on my illness. Hard to get mad at that." I made a face. "I don't know about that. I don't think you're allowed playing the pity card anymore." "I'll have to give it up, sure. But I've got some residual pity left to use up for now." Lily shrugged. "You'd rather I tell them the real reason I'm bailing?" "Not really, no." "Thought not." Thus resolved, we lapsed into a snuggly silence. For a time, I simply enjoyed the sensual warmth of the nude bodies cozied around me. "You know," Lily said with false casualness, "I got cum in my pussy." "I do know, in fact." "And my tummy." "Sure." "But I didn't actually get any in my butt." "Alas!" Lily put a hand on my chest and lifted her head. She batted her eyes winsomely at me. "Please, big brother?" "As if I could say no to you." Lily rolled over with a deep purr of excitement and arousal. She stuck her butt out at me while nestling her head comfortably in Mom's voluptuous cleavage. "Lube your sister up nicely, Jess," Mom murmured while idly stroking Lily's hair. "Yeah, Mom. I know," I said. As if I could resist eating that perfect ass again, that sweet little butthole. No, my sister's bum would not be penetrated prematurely. I licked Lily's butthole copiously, tongue-fucking and slobbering to the very best of my ability. She moaned and wiggled, and eventually started bouncing back and forth in impatient anticipation. I repeated my earlier trick of using some cum from her sloppy pussy to lube her up further. She calmed down and stopped her wiggling about when I slipped inside her. She mewled happily as I slowly but decisively filled her ass up with brother-cock. "My children play so nice together," Mom mumbled lazily, then giggled at her own statement. Lily nodded in total agreement. "So nice," she concurred. I thrust back and forth in Lily's lovely, tight butt gently and in no particular rush. Neither of us was in much of a hurry, and it was nice just to savour the experience for everything it was worth. I tenderly butt-fucked my beloved little sister for a long while. She alternated between nuzzling and cuddling with Mom, and looking back over her shoulder at me with smoldering, adoring eyes. She was more than ready by the time I couldn't hold back any longer. Eventually I just needed to cum, and she was happy to finally get the anal load she'd been craving. She bucked and writhed in synch with my harder pounding, head flicking wildly this way and that. "Oooh, yeah, Jess," she moaned. "Fill my little bum up with all that brother-cum!" She shuddered and trembled through an orgasm while manically repeating, "Fill me up, fill me up, fill me uuuuuppp!" Her sounds of pleasure devolved into something primal and unintelligible when I spewed hot cum up her formerly virgin ass. We gasped and stiffened together until the very last of me was unloaded deep within her butt, then collapsed together in a pile of sex-exhausted familial love. "I've got your cum in my butt," Lily whispered to me. "You do," I agreed tiredly, but happily. "And in my pussy." "Yes." "And in my tummy," she said, giving herself a pat just below her ribcage. "All very true." Lily kissed me. "You're the best big brother ever," she informed me seriously. "And you," I said with equal gravitas, "are the best little sister cum slut." A slow, wide grin spread over Lily's face. "Your little sister cum slut," she repeated. "I like that." She kissed me again, then cuddled up in my arms much-needed and well-earned nap. For pics visit ---->> https://bit.ly/2ReHUJI