Yuji, a freelancer still living at his parents' home with no dreams. One day, his mother's friend Eriko, who had returned due to marital problems, visits him. Yuji confesses his long-held feelings for her since childhood. Although Eriko gently rejects him, thinking it's just a momentary infatuation, she is overwhelmed by his sincere emotions and agrees to one-time physical intimacy… However, once isn't enough for Yuji, and Eriko gently takes him into her mouth saying 'I see... you're still young.' The agreement gradually crumbles…
