Serious married office lady Mizuki hates her boss, Haneda, who is the arrogant son of a major corporation executive and has a vulgar personality that considers sexual harassment normal. However, Haneda wants to possess Mizuki and sneaks into the empty office late at night, tampering with her PC to deliberately cause mistakes. He forces an affair on her by offering to help her! In the late-night office during overtime work, she is taken to her home... Mizuki's slender and beautiful body is touched excessively and violated by the very thing she hates the most!