The bond between mother and daughter grew stronger after the loss of the father. Their days together felt like a rediscovery of family warmth, filling their hearts with genuine comfort. However, one day, the daughter received a confession from a classmate. Though her heart fluttered at his words, she still couldn't let go of her late father's memory. So, she chose to reject him. None of them realized at the time that this decision would become a turning point. The classmate's twisted feelings gradually spiraled out of control, mutating into a terrifying act of rape. The moment the mother returned home, she found her daughter locked inside a room. Before she could react, a man suddenly appeared in front of her, frozen in shock. This man was no ordinary classmate. He began exhibiting disturbing behavior—taking control of the daughter and subjecting her to intense sexual training. The peaceful family life was shattered by this man's hands, and his cruelty left deep emotional scars on both mother and daughter. Who exactly is this monstrous man, so fittingly described as inhuman?