Hikari, a housewife in her seventh year of marriage, leads an ordinary life with her ordinary husband. Their relationship is harmonious, but lately, her husband has been coming home late more often, and they haven't had sex in three years. Meanwhile, she starts interacting with Naimura, a young laborer who lives next door, purely by chance. As their bond deepens, Hikari finds herself drawn to Naimura's toned body and wild scent, things her husband lacks. One evening, when her husband is late due to business entertainment, Hikari sees Naimura struggling to get into his house because he lost his key. Unable to leave him in the lurch, she secretly invites him into her home…
