Kyoka lives with her remarried husband, struggling to adapt to family life due to their age difference. She desperately tries to manage household chores despite her inexperience. Meanwhile, her relationship with her stepmother remains awkward and strained. Occasionally, her stepson is seen unconsciously aroused by the stepmother's large, pale buttocks. Amidst the tense household atmosphere and complicated relationships, hidden emotions entangle, giving rise to a new drama.