One day, Shinichi, a young man working for a handyman, is hired to clean a mansion. When he arrives at the job site, he is greeted by a beautiful adult woman, Hikari. From that day on, Shinichi is requested by Hikari whenever he needs her, and Hikari always stares at Shinichi while he is working. Shinichi is gradually drawn to Hikari's adult sex appeal. ...He eventually confesses his feelings to Hikari and the two become romantically involved, but there is a truth hidden in the process.