After overcoming a year of failure and finally getting accepted into a university in Tokyo, Kyohira moves in with his aunt, Eriko, who lives in the city. Eriko has always remained youthful and beautiful, making her an object of admiration for Kyohira. Welcomed warmly by her, they drink together, and Kyohira soon loses consciousness. In his dreams, Eriko appears, whispering seductively with overwhelming sensuality. From then on, every time he sleeps, Kyohira finds himself drowning in lewd dreams about her. However, the warmth and pleasure he feels in these dreams are too real, and he begins to sense something is off.