Mizuki, a serious married office lady, hates her boss, Haneda, who is the son of a large company's executive and is arrogant and has a vulgar personality that is commonplace in sexual harassment. However, Haneda wants to get his hands on Mizuki, so he sneaks into her empty office late at night and operates Mizuki's PC without permission, intentionally causing her to make a mistake. He uses the opportunity to help Mizuki as an excuse to pressure her into an affair! While working overtime in the office late at night, he takes her to his house... Mizuki's slim and beautiful body is touched all over, and she is made to cum by the meat stick that she hates!