A red thread that a friend forgot about, and that if you tie it to each other's little finger, you will switch bodies. When today's class ends with Mr. Hoshi, who I admire, and goes on a trip for a while... wow! I really changed my body! Masturbate while my body isn't there! Amazing, Hoshi-sensei has a nice body~! Here? clitoris? Oh my God, it feels good! It's amazing, a girl's body feels so good. I'm going crazy.