When Suei was little, his mother had an affair with a young man who lived next door. Suei's mother and the young man killed themselves by using dynamite. After Suei graduated from high school, he worked at a factory before quitting his job. He then went to Tokyo and began working in the erotic magazine industry. Suei eventually became the chief editor of a famous erotic magazine in the 1980's.

Ami's friend, Yoshie, was murdered and desecrated by the Kimura Gang. She was saved and, like Ami in the previous film, received modifications from the same mechanics. Remembering her past, Yoshie decides to avenge herself and Ami.