Ten years ago, karin's mother was raped, and the criminal was arrested due to her father's report. Karin, who was still small at the time, did not know about the incident. Ten years later, the released man harbored irrational hatred towards karin's parents. "Because of you, I spent 10 years in jail. Is this cute girl your daughter? I'll do everything I wanted to do for 10 years in prison."