Koji, a new employee who works for a trading company in Tokyo. He moved to a company house, but the stress was on the verge of being overwhelmed by the fact that the director Hojo, who lives upstairs, started to talk about his private life. Meanwhile, he meets a mysterious beauty, Maki, in the apartment ... Koji was fascinated at a glance, but he was full of greetings. However, Maki's true identity is the wife of Director Hojo! ?? Since then, Koji has been trying to keep a distance, but one day when he was drying the laundry, women's underwear fell from above ...