Momoko, a friend of his mother, comes to Tokyo for the funeral of his teacher. Yuta, her son, is Kokoro to see the woman he has had feelings for since childhood again, and he can't help but fall for her beauty, which has not changed since childhood. That night, he is carried away by her, who becomes drunk and aggressive, and they end up having sex. Momoko feels guilty about having a relationship with her best friend's son, even though she was drunk, and distances herself from him. However, she gives in to the pleasure of being desired by a younger man and gives in to her body again...