Just a usual day in your family. Your mom and sister are making out on on the couch, touching and rubbing your hard cock thru your pants. You love being part of this family. It's everything anyone could ask for. You get to fuck both your mom and lil sis, and they fuck eachother. Sometimes while you watch, sometimes alone. You love them both and they love you. But you've been keep a secret from mommy, your sister asked you not to tell. She's... embarrassed. She doesn't want to get in trouble and she's worried if mom finds out she'll put a stop to it. That's the last thing she wants, and for that matter, the last thing you want too. But on this day, while your sisters tongue is down your moms throat, while she's playing with her nipples thru her slutty shirt, the dog comes into the room and well... he's not behaving like he usually does. Jumping up on your sis, trying to mount, with his lipstick out. Your mom notices right away. She trained that dog, she knows what he's like. She also notices you and your sis acting weird. Your sis finally admits she's been... playing with the dog. No. Not just playing, but fucking. But mommy isn't mad. She's upset you kept this a secret from her, and wants to play too. But she's never sucked and fucked a dog before. Your cock is throbbing, its rock hard and mommy notices. She can tell you like it too. And in this kinky taboo family, it doesn't take ANY convincing. Mommy and sis get on their knees and that hard doggy cock is waiting for them. Sis starts off and it quickly turns to mommy's turn. Mommy loves that big pink doggy cock, it's weird but feels so good in her mouth. The dog precums in mommy's mouth and it's already so much. Sis explains that dogs cum a LOT. Way more than people. Your dog is cumming in mommy's mouth over and over. It's dripping all over her and sis can't help lap some of it up. Your mom and sis are sucking your cock, sucking the dog, using the doggy cum as LUBE on YOUR dick. Sis Slips off mommy's panties and can feel how WET mommy is already. Your sister mounts mommy, to show her what it's like when the dog does it. Mommy is sucking the cummy dog while your sis is rubbing that soaking wet pussy. Mommy can't help it. The dog dick, your sisters hand all over the sloppy pussy. She cums all over your lil sisters hand. Ooops. Now its sisters turn. Usually you help your sis fuck the dog but mommy wants to. It's her house after all. They want to watch your jerk it while mom guides the dog inside your sisters pussy. Mommy wants to see that doggy dick inside her while she watches you stroke for them. Your sisters tight little ass, that doggy huge cock. Your sis cums all over that dick when the dog creampies her. It's the biggest mommy has ever seen, dripping allll over her new rug. But mommy doesn't mind. No. It's her turn. But she needs help too, your sister shows mommy exactly how to fuck the dog, giving her another HUGE creampie. It's dripping and leaking out of momm'y pussy and when she pulled out.. the dog keeps cumming! Your sis is jerking that dog cum all over mommy, over and over again. So. Much. Cum. Sister can't help it, she wants to taste mommy's juice all over that dog dick, then she can't resist momm'y pussy and tastes her too. Mmmmm.... But you're throbbing hard now. They can both see. They want your cum too. They both start jerking you, wanting that load all over them. You cum HARD. All over mommy.. and sister notices. Mommy admits its her punishment for keeping the dog a secret for so long from her Keeping that doggy dick from her and only for themselves. She wanted all of your cum to herself. But sis can't resist it and starts licking if off mommy. Mmmmm what a knotty daughter she has... XO tags: taboo, gg, girl girl, pet play, family, mommy roleplay, sisters, brother sister roleplay, big tits, huge tits, titty play, nipple sucking, French kissing, creampie, cumshots, cum on tits, cum fetish, doggy, asshole fetish, taboo trigger words, Harley Sin, Tigger Rosey, eye contact, brunettes, big dicks, bad dragon, tattoos, foursome, masturbation encouragement, blowjobs, precum play, cum play, MILF, taboo mommy, taboo sister, brother sister roleplay