Koharu Asai was forced into an affair with her domineering boss due to circumstances beyond her control. Now, she has become his completely submissive sex slave and cumdump. Just as she begins developing a promising relationship with a male coworker, her boss senses it and, without hesitation, takes her right in front of him. Humiliated and repulsed, Koharu is horrified to find her body and mind responding involuntarily. Helplessly lustful, Koharu's emotions begin to twist and distort beyond control.