in the case of K-ko-san (20 years old), who lives in Nerima Ward, Tokyo, and works at a supermarket. she was raised in a single-parent household and lived in poverty, and perhaps because of her dark personality, she was abused by her mother and her mother's lover at home, and bullied at school. and at her current workplace, she is seen as plain, quiet, and serious, and lives quietly while being forced to do work and overtime. even after leaving home, she is forced to live with an old man (with a criminal record, 42 years old) who is a regular at her mother's store, to whom her mother lent money, and lives a life of receiving sex training every day as repayment for the debt. in that flow, this girl, who is far from happiness, is sold to a certain international organization by the man she lives with two months later... "i am a woman who has no value other than my body..." k-ko falls into the swamp of extreme masochistic play. a woman who is obedient and offers no resistance to anything, a body that is the most lewd when undressed, extremely erotic as soon as a dick is inserted, the best meat masturbator that can be sold for a high price. the perverted masochistic pet that is convenient for men is sold around and around...