A socially awkward salesman for a toy-capsule company tries to change his nerdy ways when a slick rival moves in on the beautiful co-worker he loves.

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.