Note: This story was dynamically reformatted for online reading convenience. Virginia and Howard Conrad were in their room about 10:30 this night and they were fucking together when all of a sudden the door opens and their 13 yer old daughter comes in and see them fucking and says, "Oh I'm sorry Mom , Dad, I didn't mean to interrupt while you was doing that. But I just wanted to know if Bud and I can stay up later and watch 'Abbott and Costello Meet Frankenstein' on TV. Ginny gasps and stops Howard from fucking her and tells her to get out of here. Mary says " Can we watch it Mom, course if I had a choice I'd much rather watch what you and Dad was doing there and see the movie later if you'd let me. Ginny says, "Absolutely not, You've seen too much already." Mary says, "Shit Mom why is that I saw your body and it don't look any different than mine and I saw Dad's cock and it don't look any different than Bud's cock. As for you both fucking I know all about fucking and I don't mind seeing you do it together and wishing that it was Dad that was fucking me and Bud fucking you. Ginny says, "Oh So you'd like to have your father to fuck you huh? and just how do you know that Bud would lie to fuck me?" Mary tells her that he has told her several time that he would love t fuck Mom. Ginny says, "And just how come you two talk about fucking your father and me? Do you two fuck together or have some kind of sex together? She hems and haws a bit and finally says, "Will we get in trouble if you find out about us." Ginny says, "Yes you will and your both going to get in a lot more trouble if you don't tell me the truth right now. Have you two been fucking together?" Mary says, "Welllll, no not actually Mom, we do have sex together but only that I suck his cock and suck him off and he eats my pussy. I haven't let him fuck me though. I didn't want to go getting pregnant. Are you going to kill us for having sex together Mom?" Ginny says, "I'm not really sue yet what I'm going to do with you and your brother." Howard says, " She seems like she is really interested in watching us fuck, why don't we just let her watch us. After all she already knows how it's done and besides maybe I can get her to suck my cock also." Mary says, "I would love to suck your cock for you Daddy, if Mom will let me , Can I suck him Mom, Please? Ginny says, "Shit I know why you want to let her suck you off, so that you can use it as a preface to being able to fuck her later. Right?' He says, "Well it could be I wouldn't mind fucking her if you'd let me do it. But there is one thing that you forget, Honey, I you let me fuck Mary then you'll be able to have Bud fuck you also and I'll bet that he has a nice sized cock on him. " Mary says, "He does Mom , He has a big cock on him and I would love to have him fuck me but not until Daddy fucks me first" Ginny says, "Oh shit OK , Go ahead and suck your father off, but first you get your clothes off and then you go get your brother nd bring him here to me and if he's naked have him come her as he is because when he gets here he will be getting naked anyway when he gets here. Mary gets her clothes off and then goes to Bud's room and wakes him up and he sees her naked and says, "Holy shit sis what the fuck are you doing in here naked . What if Mom sees you naked she'll skin you alive." Mary tells him that she sent her to get him and bring him there to her and if he was naked to have him come naked. She says, "When we get back there to Mom and Dad, I'm going to suck Dad's cock and suck hm off and your going to fuck Mom." He says, "Holy shit are you serious How the fuck did all this happen. She then tells him what had happened and also about telling Mom about her sucking him off also." He says, OK Let's go see Mom but you had better be right about this They go to Ginny and their father and when they get there Ginny tells Bud t get his underpants off. She says, "I hear that you enjoy having your sister to suck you off. Well lets see who does the best job on that cock of yours, your sister or me." He says, :Shit Mom I can tell you who I'd vote for right now without you even sucking my cock, I'd vote for you, just because your my Mom. Can I ask you a question Mom? Is this just a one time thing or can we do it all the time from now on.?" She says, "Would you like to do it from now on all the time?" He tells her that he would and would love to be able to fuck her also if she'd let him. She tells him that he can fuck her also from now on and as much as he would want to and that he can also fuck his sister if she'll let him. Mary says , "I will Mom, I'll let him fuck me whenever he wants to fuck me. Course he has got to remember to eat my pussy also and not forget about doing that to me." He tells her that he won't forget about doing that to her . Ginny then takes his cock and sticks it in her mouth and starts sucking it and sucks it for about two minutes and then tells him to suck her tits and pussy and then fuck her. He does start sucking on her titties and then goes down to her cunt and starts eating it and finally he sticks his cock in her and begins pumping away at her. About 5 minutes later he shoots his load into his mother's pussy. She tells him that he was great and was about as good as his father when he fucks her. After Bud has fucked his Mom then Howard does the same to Mary, sucking her tits and pussy and then fucking her. They fuck together from then on for the next couple of weeks. Then one day her sister and mother comes over to visit and they talk for a couple of hours. Her mother says, "You look much better now than the last time we were here, what happened, you find a guy to give you some extra on the side besides Howard. Ginny says "How the fuck did you know, Mom " Her Mom, Irene says, 'Shit you mean that you are getting some extra loving from someone. Does Howard know about your affair with them?" Ginny says, "Yeah Mom he knows about it and if you make sure that you don't condemn me for it, I'll tell you about it and how it got started, Irene tells her that no matter what she says, that she will still love her the same as always. Ginny says, OK then here goes the one that I'm getting the extra loving from is Bud, our son.?" Irene and her sister gasp at what she has just told them. Irene says, "Holy shit you mean that you fuck with Bud and Howard doesn't mind you doing it? " Ginny tells her that it's alright because he fucks Mary also. Irene says, You mean that you all fuck together with the kids, Ginny says :Yeah Mom and it's great. You should try it with Sue and Don, I'll bet that Dad would love to fuck Sue and as big as Don is now you'd love having him fuck you also. Irene says, Shit I could never have Don to do something like that to me. He probably wouldn't even want o fuck me." Ginny says, "I got news for you Mom, he'd fuck you in a minute if you'd let him fuck you. Sue says, "Shit Mom, I know I would love to have Don fuck me or anyone to fuck me really. Ginny says, "You both stick around for about another hour and Bud will be getting home from school and He can fuck you and see how you like being fucked by him. Irene says, "I don't know, do you really think that it would be a good idea to have him fuck me , his Grandma." Ginny says, "I don't really know Mom, I know that he wouldn't have any problem doing it to you, it's just how you'd feel about having him fuck you. Do you think that you could go through with having him do it to you. Irene says, "I don't know myself if I could but I guess I'd never know if I didn't try it and let him do it to me. I guess I'm willing to try it with him. I just might like him doing it and maybe be able to get Don to do it to me also." Ginny says, "How about you Sue would you like to try him out also?" Sue tells her that she would love to try him out and see how it was to fuck, that she has never been fucked before and wants to see how it feels . Ginny asks her if her hymen is still intact and she tells her that it's been gone for years, that she busted it years ago with a dildo. An hour later Bud nd Mar get home from school and see their Grandma and niece. Ginny tells Bud t get his clothes off that he is going to fuck his Grandma . He says, "Holy shit Mom you mean it that Grandma is going to let me fuck her, That's great. Ginny asks Sue if she has ever sucked a cock and Sue tells her that she hasn't. Ginny tells her to suck Bud's cock for a couple of minutes and then Mom can suck him a couple of minutes and then he can fuck her. Sue takes his cock into her mouth and starts sucking it and doesn't want to stop sucking him . Irene tells her to stop sucking him right now or else. She finally stops sucking his cock and Irene then takes over on it and she sucks it for a couple of minutes and then tells him to fuck her and he does. He shoots his load into her also and she tells him that it was wonderful. She says, "Shit if Don does it that good then I'm all for doing it with him also. Ginny says, "Mom why don't you go on home and wait for Dad to get home from work and then bring him and Don over here later and whatever you do don't tell either of them about what is going to happen over here. They both leave and tell Ginny that they would be back about 6:00 . Ginny tells Bud not to be fucking Mary, for him to save his cum for Sue and his Grandam tonight. When Howard gets home she tells him what has happened and they he should probably be able to fuck her sister tonight. He is all fir doing that and also fucking his mother-in-law also. Mary is looking forward to being fucked by Don and her Grandpa. About 6:00 Irene and her husband John and Don and Sue all arrive and go in and Ginny asks John and Don if they have been told anything about what is to happen tonight and both of them tells her that they don't know a thing and that it's a mystery to them why their here. Ginny tells her Dad that she has t leave for a couple of minutes and her and Mary leave .A couple of minutes later they both come back out and both are naked. Don goes WOW! and Her father says, "What the fuck is going on here, with you two coming out here naked like that, Though I must admit that I like and I'm not going to close my eyes and I'm sure that Don doesn't mind seeing his sister and niece like this. Ginny says, "OK Dad, Now get your clothes off also and you too Don and Mary and I are going to be fucked by the two of you. We don't really care who fucks us. Dad you can fuck Mary if you'd rather or Don can fuck me if he'd like to Or Dad can fuck me and Don fuck Mary. Either way you want to do it. John says, "Shit honey are you sure about this you really want us to fuck you and Mary?" Irene says, "Their both serious about it, now both of you get your clothes off and get to fucking them . They both get undressed and begin to fuck the girls.