Yume, who is bright and popular, has been the object of affection for his boss, Sayama, for a long time. One night at the company, he encounters Sayama marking Yume's belongings with semen. Despite being flustered by Yume's sudden appearance, Sayama becomes excited and forces himself on Yume right there. As the days go by, Yume is blackmailed and repeatedly raped, feeling humiliation but also physical pleasure. Eventually, Yume becomes unable to live without her boss's huge penis.
