You are worse than a wild beast! A secret that must never be known to anyone else. —Ookoshi Haruka

Eight years ago, after the passing of her parents, Xiaoyao quit her university studies and broke up with her fiancé. She became a struggling woman, working tirelessly to pay off debts and support her younger brother. Unable to find happiness as a woman, she began a life of masturbation. One day, her brother caught her masturbating in the living room. Seeing his sister's mature body, he developed a distorted love for her…