Yuko is a beautiful and capable woman who is admired by many people, including Yuki. However, Yuko's love life is not going well as she is the mistress of the head of the department, who is already married. This time, Yuko and Yuki went on a business trip together and had to stay overnight due to a big storm. Because of Yuki's mistake, they had to share a room. Yuki mentioned Yuko's affair with the department head and advised her not to continue, as it would hurt both her and the department head's family. Yuki also confessed his feelings for her and wanted to make her happy. Yuko did not believe Yuki's words and thought that only using her body could bring happiness to women. Yuki wanted to prove her wrong and took the initiative to embrace Yuko, kiss her, touch her breasts, touch her genitals, and have sex with her! However, Yuki was still inexperienced and did not know how to have sex with a girl.FSDSS-513 Fuck the boss's lover on a stormy night Therefore, Yuko patiently guided him and helped him "graduate" from being inexperienced. Yuki continued to urge Yuko to break up with the department head, but she was still hesitant. So, he wanted to prove to Yuko that the department head had no feelings for her. He used Yuko's phone to call the department head and let her talk to him. Despite Yuko expressing her desire for him to say he loves her, he firmly refused. Realizing that her dreams of love with him would never come true, Yuko had to give up. And she saw Yuki, who always cared for her, ready to be by her side, bringing happiness to her...
