the remote is a magical remote that is can change other peoples bodys but cant alter reality or people perception in anyway. but this remote is cursed so that any change made with it is multiplied by 3.
using the remote you can change people in 3 ways
add features: add extra body parts such as anoher arm or more breasts and sometimes animal parts such as an udder. (all body parts added with this are permanent and cannot be removed). adds 3 of each body part added for example adding a pair of D cup breasts to someone will cause them to grow 3 pairs of D cup breasts.
swap features: choose 2 targets and swap the selected body parts such as swapping a female vagina with a male pussy. adds 3 of the swapped body part for example if a guys swaps genitals with abgirl then he will have 3 normal sized pussys in between his legs instead of the 1 that the girl he swapped with had and if he tries to swap back then because he is swapping his 3 pussys back with the girl it is multiplied by 3 again and she will grow 9 pussys and so and so forth.
modification features: modify someones pre existing parts to be a little more interesting such as changing the length of a guys dick, changing the cup size of a girls bra, or changing how much a girls breasts lactate. like the other modes all changes are multiplied by 3 so if you change a guys dick to be 1 foot long then it would be multiplied by 3 and grow to be 3 feet long or if you make a girl lactate 9 gallons a day then it would be multiplied by 3 and she would lactate 27 gallons a day.
*****
of course when you bought the remote you didnt know about its side effects and just bought it to have fun at his friends sleepover later today.
*****
you arrived at the sleepover and found your friends
jack: your best friend since 1st grade who invited him to the sleepover. not particularly buff but still pretty average. although he was pretty good on the schools track team and from the hew times you have seen it in the locker room he has a pretty good package down there as well.
kate: a friend of you and jack since 3rd grade. easily the bustiest in their friend group with her D cup breasts and plump ass. you and her have had sex a few times but it was always too awkward afterwards so you too decided to just stay friends.
taylor (formerly tyler): your friend from middle school who came out as trans last year and just got B cup breast implants a couple months ago. you both try to forget when he first came out and you fucked him in the ass for hours after he asked to feel what it was like. but you knew he still had a cock
penny: kates friend who you didnt know too well although she was on the cheerleading team you were pretty sure you saw her looking at cowgirl hentai on her phone at some point as well
"i got this thing that says it can change people bodys" you say
"ok it's probably fake but lets try it" says jack
"give it to me" "no me you hear kate and penny arguing
hen taylor says "what if we do it like spin the bottle. someone spins the bottle and whoever the hottle lands on is who the person who spun the bottle gets to change"
you all decide thats a good idea and sit down in a circle