a section chief at a certain company is confessed to by Kanako, the Madonna-like existence in the company, on the way home from a drinking party at the department head's house, and ends up having a physical relationship. at the same time, the department head's eldest daughter, who entered the company through connections, takes the male employees of the company, including the section chief, under her control and seduces them with her big breasts. the section chief, who is worried that he has had relationships with two female employees at the same time, has the department head and his second daughter come to his house to play on a holiday. as expected, the section chief is tormented by the second daughter, and calls a young male employee for help, but he also falls victim to the second daughter's claws... the company is full of the wonderful Showa-era feeling of everyone being hole brothers!