Misuno lives alone with her mother and decided to work as a home helper for a landlord who lives in a wheelchair, hoping it would help with household expenses. However, the landlord took advantage of her plea to do anything for work and even made her assist with sexual gratification. The demands escalated, and one day, she was forced into unprotected sex. Initially resisting, she gradually learned the pleasure of being a woman and became immersed in sexual delight.