A young, depressed man is trying to move on with his life after his girlfriend's bizarre death. One day, a mysterious woman notices him at work and convinces his coworkers to introduce him to her.

A female student falls for a senior, but the senior not really for her. He is willing to go to bed with her, but doesn’t feel love. The couple embark on a painful yet passionate experiment. A 1970s story in 1970s images, based on the legendary book by the then very young writer Kei Nakazawa.