Yukiko (Amiri Saitou), who witnessed her boss's outrageous perverted sexual tastes at the company late at night, is violated to keep her quiet. She is tormented with a big dick and humiliated with semen marking, saying, "I'll put my semen on you instead of gloss." As she continues to be violated repeatedly by a boss she hates so much, her body is developed in a humiliating way, and she ends up wanting her boss's dick. Yukiko, who is easily aroused, and the perverted boss have an excellent sexual compatibility. Her body can no longer live without her boss's big dick…