His mother's younger sister, Azusa, got divorced and started living alone. Her nephew Ryota will go there to help clean up the room. The house that he received as alimony for the divorce is a mansion, and it is hard work to clean up the room. Although Ryota is exhausted every day, he is eager to see the beautiful Azusa's happy face. When he is about to go to bed early for tomorrow, he hears Azusa's sexy voice, which he has never heard before. Suspicious, Ryota looks into the next room...
