Her father got into debt and moved out of the house, and Nana lives with her mother. In order to reduce the burden on my mother as much as possible, I decided to work as a home helper for the landlord. - The landlord, who is crippled by living in a wheelchair, repeats sexual harassment because Nana 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, Nana showed resistance, but gradually she turned into a sex slave.