39-year-old Akane Ijyuin is a housewife living with her husband and son. After her husband was laid off, he took a night job, and due to their misaligned schedules, their relationship has grown distant. Worried that she's lost her appeal, she begins cleaning her son's room and discovers an adult magazine. The magazine features married women and MILFs, sparking the thought—does her son find her desirable? Gradually, her heart begins to waver. As loneliness eats away at her daily life, she awakens to a new, forbidden emotion.