Rina Hayashi

A salary-man has particular needs that his wife just can’t get into. Then one day he spots a woman on the subway marked with a sign of his deepest desire… a rope burn on her wrist. Thus begins a sadomasochistic relationship.

Yoko, Shoko, and Kyoko are three female college students. Yoko has a boyfriend named Hiroshi, but when she hears that Shoko is having an affair, she becomes anxious. She also dreams of having an affair. Yoko approaches her professor Maehara to have an affair. Kyoko ends up sleeping with Yoko's boyfriend Hiroshi by chance. And then the three of them.