The couple in "Kurumi" are a harmonious couple who love each other. - However, her older husband has low energy and is sexless. - One day, she brings home a subordinate who brought something her husband had forgotten. - Her husband asks one of his subordinates to take care of her while he finishes some work in his room. - A drunken subordinate ends up touching Kurumi's naughty body. - She has had sex for the first time in a long time and is obsessed with her subordinate's dick, so she keeps having secret meetings with him and requests him to inseminate and creampie her. - When her husband suddenly returns home, she finds herself in a chaotic situation, but she turns into a lewd woman who is more obsessed with sex and semen with his subordinates than with her husband.