The heart of a daughter who begs for a helper in the landlord instead of her mother, who has been forced to work and become sick due to the disappearance of her father and delinquent debts and rent. - The landlord, who is crippled by living in a wheelchair, repeats sexual harassment because Kokoro has asked him to do anything. At first, it was only nursing care, but the request escalated more and more, and finally vaginal shot sex. - At first, Kokoro was resisting, but gradually she turned into a sex slave.