Aoi is a new employee, he arrived early to impress his superiors and seniors. But Aoi couldn't believe he would witness a beautiful girl having sex with another person right in the office!!! It turns out that this woman is Momo, his senior, and the man is also an employee of the company. He promised not to tell anyone about this. That day, he was introduced to everyone by the department head, and especially Momo was in the same department as him. The department head assigned Aoi to be guided by Momo. After hearing other seniors share, he learned a bit more about Momo. Momo used to be a model for adult magazines, beautiful face, hot body, and friendly personality. There are rumors that Momo specializes in seducing male colleagues, no one can resist her temptation, including the department head! He always overlooks any mistakes Momo makes, often inviting her to somewhere to "have a private talk". When being instructed by Momo, Aoi always secretly looks at her breasts, she notices and this is when Aoi realizes that the rumors he heard are true! Momo constantly seduces him and Aoi cannot escape her attraction!!! It seems that Momo also has feelings for him, she gives him a blowjob when there are colleagues around, refuses to go with the department head but agrees to go with him. Momo even lets him ejaculate inside her over and over again!!!