Kaoru is subjected to daily domestic violence. She is forced to masturbate in front of her abuser and often endure violent, coercive sexual acts. Witnessing this, her son begins to resist his father for the first time, resolving to stand up against him. Meanwhile, when his mother falls ill, the son gently cares for her, tending to her with tenderness. Without realizing it, his hands gradually slip beneath her underwear. In that moment, a whirlwind of complex emotions surges within him.