Shinji uses his holidays to visit his father, Ryuichi, who runs a company in Tokyo and is away from home. When Ryuichi is surprised by his father's organized room, Ryuichi brings Hikari, who was the receptionist at the company, home. Shinji realizes his relationship with his father when he sees her cooking with an air of familiarity. After that, Shinji gently calls out to Hikari, who is lonely because she can't celebrate Ryuichi's birthday, and Hikari says, "Hold me" and entrusts Shinji with her body...