Hikari is a married woman of seven years who leads an ordinary life with an ordinary husband. She and her husband are happily married, but he often comes home late and they have not had sex for three years. Then, she begins to get to know Uchimura, a young manual laborer who lives next door, through a chance encounter. As they get closer, Hikari is attracted to Uchimura's well-trained body and wild scent, which her husband does not have. Then, at dusk, when her husband is late for a business meeting, Hikari, unable to bear to see Uchimura, who has lost his key and is having trouble getting in, secretly invites him into her home...
