Kouji, a new employee at a trading company in Tokyo. He moved into the company dormitory, but his boss, Director Hojo, who lives upstairs, started meddling in his private life, pushing him to his stress limit. Amidst this, he encounters a mysterious beauty, Mai, inside the apartment building… Kouji is smitten at first sight, but all he can manage is a greeting. However, Mai turns out to be Director Hojo's wife! Since then, Kouji has been trying to keep his distance, but one day while hanging laundry, women's underwear falls from above…
