Masato, unable to find a job, works as a store keeper at a convenience store run by his parents. As he repeats the same routine, his mother's friend Ayane, who has returned to the countryside, comes to work for him as a part-timer. Masato is attracted to her charms, which emit a melancholy adult sexiness, and he becomes conscious of her to the extent that he even thinks of her in his dreams. Ayane gently rejects him, but his single-mindedness pushes her into a one-time-only physical encounter...