"Mei" is a girl living under the roof of her perverted rope-master father and two sister-obsessed older brothers. Every day, she is tightly bound by her father and used as a love doll to satisfy the family's sexual desires. Being used repeatedly by both her father and brothers, she finds pleasure in being desired, feeling fulfillment in their lust for her body. Her daily life unfolds as a deeply told story of a girl raised in an incestuous household.