Abandoned by her father, her mother descends into madness after their divorce. The same hands that once stroked her daughter's hair and smiled at her lunchbox now count out stacks of bills and offer her daughter to a man. The girl is pushed down onto the tatami mat in her school uniform, covered in sweat and semen, trembling at the sound of the older man's breathing. But she doesn't run away. She wants to make her mother laugh again, so that she won't be hated by her mother...