Ryuta is staying with his aunt Sae, who lives in Tokyo, while he is job hunting. Ryuta admires the kind Sae. One day, he is worried about Sae who comes home late at night, so he opens the sliding door and finds Sae sleeping there, probably drunk and defenseless. Ryuta approaches her with the intention of taking care of her, but when he sees Sae in a disheveled state, he can't help but rape her in the night...