Between Ichika and her father lay a secret they couldn't let anyone discover—one they could never confess to anyone. A twisted relationship hidden from friends, teachers, and even her mother. Ichika had no choice but to submit. Her father's obsession grew increasingly intense, driving her deeper into emotional despair. Amidst this turmoil, she met a boyfriend. Their bond gradually deepened. One day, while Ichika was spending time alone with her boyfriend in her room, her father caught them by chance. In that instant, he took an unthinkable action.