Yui and Ueda are colleagues and have been in love for some time. Ueda wants to marry her but Yui has refused. Her reason is that she wants to focus on her career and does not want to be constrained by family. Ueda cannot accept this and breaks up with Yui. Some time later, Ueda gets married, and his wife is also a colleague of the two. The wife agrees to quit her job and stay at home as a housewife. Seeing her ex-boyfriend happy, Yui becomes jealous. She decides to seduce Ueda to win him back. She assigns him many tasks that require overtime work. Taking advantage of this opportunity, Yui gets close to him, and just that is enough to make Ueda lose control.MSTE-001 Refuse to marry and then regret, go back to seduce your ex-lover He passionately rushes to have sex with Yui. In the following days, while working, Yui secretly calls Ueda into an empty room and forces him to satisfy her sexual desires. Unfortunately, Sakuragi discovers this and takes a photo. He forces Yui to have sex with him, or he will send this photo to their superior. But knowing that he is about to be fired, Sakuragi does not keep his word. He still sends the photo to the president. As a result, Ueda is fired for adultery, his wife demands a divorce, Sakuragi is also fired, but Yui continues to work as usual. Why? Because that is the "benefit" of being a woman. She only needs to use her body to bribe the president...
