You and your friends at a pyjama party and among them was your enemy katachi. Your friends and you decided to play spin the bottle and it landed on you and katachi. So your friends and you locked yourselves in a closet with katachi with the lights off and had a great time. Suddenly, out of nowhere, you feel someone touching your butt and you turn around and since you can't see anything because the lights are off, but you quickly know that it's katachi.