Mio lives with her husband Hiroyuki. Hiroyuki's salary is not high and they do not have much money, but Mio lives a peaceful life. However, something happens that makes Mio feel something inside her. "I want to splurge a little, too..." And so Mio starts a part-time job as a mature woman call girl. This seems to be her calling, as Mio makes a name for herself. However, in a sex industry where there is no actual sex, Mio's "sexual frustration" reaches its peak...