Sakurako, an office lady, is harassed by three men on the commuter train. However, one of the men's hands makes Sakurako feel ecstasy for the first time. Sakurako asks a shopkeeper to find such a man. Kanako and Mari immediately start searching using their own bodies, but...
Miho is no longer feeling any excitement from sex with her boyfriend Shigeki. At a secondhand bookstore, she finds a book called "The Secrets of Female Body Development" that claims to turn any woman into a master of her vagina. She immediately tries to put into practice what is written in the book, but...
