One day, a young man named Shinichi, who works as an odd-jobber, takes on the task of cleaning a mansion. The beautiful adult woman, Hikari, greets him upon arrival at the client's location. From that day forward, Shinichi is repeatedly assigned to work for Hikari, and she always watches him while he is working. Gradually drawn to Hikari's mature charm, Shinichi... eventually confesses his feelings to her, and they become involved in a romantic relationship. However, there was a hidden truth behind it all.
