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, I met a mysterious beauty, Maki, in the condominium ... 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 ...