Their mother Maria came in with a platter of fruit and a few chips and said "Glad to see you all here. how about a snack before studying and doing some homework?"
Kimberly looked to her mother while pressing the button and said "Ah, thanks mo-" and then cut herself off as she saw her mom shrink a little. Not much but one look at her face tells you that instead of being a middle aged house wife she looked like a maybe a Senior high school girl or a freshman college girl... and a few of her features were... rather different. Her nose seemed off and-
"Fuck that feels Amazing!!!" a deep voiced guy said behind Kimberly. Looking at where John was there was a guy who looked a little older and... had a really large boner. The man and John had a few things in common, but again some features were off. The two changed young adults stared at each other and then tackled each other. Fruit and Chips scattering to the ground and the two making out, as they were taking off their pants and jeans. Kris and Kimberly stared at one another for a second as the two were unashamedly having sex right in front of the minors.
As the two were... doing stuff... Kris said "Cool! This is like a free sex remote!"
Kimberly responded "Cool?!? Mom and John are fucking! This isn't right!"
Kris looked and said "They don't really look like John or Maria... Maybe it changes their genetics enough so it's not incest?" The two young adults screamed as they orgasmed and then John shrank back into himself while Maria quickly re-aged into her middle aged self. The two panting and resting half naked on the floor. Kris continued "See, they are back to normal. Let me see my remote back."
Kimberly said "Yours?!? This shouldn't be anyone's!"
"Well I can definitely make sure it's mine!" and then Kris tried to wrestle away the sex machine from Kimberly. Then in the tussle