- Her father, who is a rope master and likes to drink urine, and her only daughter, "Rin", who is asked for a body to replace her unequaled uncle who lives in the room, and spends her days immersed in incest. She grew up in a distorted family environment and grew up to be a perverted girl who was happy to be teased by her family. The adolescent girl's unstoppable curiosity about sex turns the girl into a harlot today.