Itsuki, who moved in a few months ago, had a good figure and plump body that could make a man's lower body hot. One day, while cleaning the front of Itsuki's room, the janitor witnesses the scene of an affair with a young man who is different from her husband. On that day, the manager started cleaning while waiting for Itsuki. Losing his senses, the janitor goes to Itsuki's room while he's sleeping... but Itsuki...
