Tired of enduring a sexless marriage, Chisato Shoda could only satisfy herself through masturbation. As emptiness and loneliness deepened in her daily life, one day her husband returned home with a subordinate. While her drunken husband passed out asleep, she was taken by the subordinate, Miyazaki. In that moment, Chisato realized her own arousal—and decided to summon Miyazaki again the next day. However, her husband caught them in the act. An unexpected turn of events awaits.