Momonogi, a new graduate employee who loves her uncle. Manager Ozawa of the department I was assigned to was a big strike. Her cute face doesn't suit her, and she clings closely to Director Ozawa, whispers, seduces him, and does everything he can to make him do it. Ozawa, who had a wife and children, kept refusing to be at the mercy of his subordinate's temptations, but on the fifth Friday night, he fell for the temptation and had sex with him. From this day onwards, an extremely chaotic erotic theater between a new girl and an old man begins, which escalates.