Misako Yokomine, a 50-year-old housewife. One day, she caught her teenage son doing something alone. That sight deeply stirred her emotions, and she realized he was attracted to women around her age, which began to worry her. From that moment on, her relationship with her son gradually deepened, and before she knew it, she started being desired by him even in her husband's absence. She truly loves him, finding him irresistibly adorable and impossible to resist.