OL Natsuki, who had a 10-year affair with her male boss, registered marriage with a colleague last month and is scheduled to retire next month. Under the pretext of visiting a client in the countryside, she was assigned a business trip, which coincided with her final hot spring trip with her boss. There was a time when she wanted to marry her boss. For 10 years, they had maintained their relationship without being found out by the company or the boss's wife, always using protected sex. She wants to have unprotected sex... It might be the last chance for an affair involving internal ejaculation during this trip, and Natsuki craves her boss's semen.
