Trapped in an ordinary life for ten years, Tomoko had grown weary of her relationship with her husband. Fate brought her face to face again with her former classmate, Hirofumi. One afternoon, alone at home, their casual conversation quickly intensified. Unable to suppress his long-held feelings, Hirofumi forcefully took her. Experiencing a man other than her husband for the first time, Tomoko was overwhelmed by a pleasure so intense it made her lose all sense of self. Unable to resist this newfound ecstasy, Tomoko registered on a dating site, desperately seeking new encounters.