Office lady Natsuki, who had been having an affair with her boss's man for 10 years, married a colleague last month and plans to leave Kotobuki next month.She was supposed to go on a business trip under the pretext of greeting a local business partner, but in line with that, she went to her last hot spring trip with her boss.In the past, she also wanted to marry her boss. For 10 years, the two of them, who had been in a relationship with both the company and her boss's wife, had only sex with rubber until now.I want to be raw at the end ... I want her boss's offspring on a vaginal cum affair trip that may be the last ....