Azu, a female student attending school in Tokyo. However, her parents are often away from home, so she lives with her salaryman brother. Such was Azu, who was originally a quiet and excellent student but had a tendency to fantasize, imagining herself being overpowered by middle-aged men every day and indulging in self-pleasure. One day, a neighbor named Oshima came with a noticeboard and assaulted her while she was asleep, having sex with her. This became the trigger, and Oshima's friend Dan'go, as well as Dan'go's friend, the delinquent middle-aged man Hoto, also set their sights on Azu...
