IPZZ-417: On a Business Trip with My Hated Boss, and We End Up Sharing the Same Room! ...I Keep Cumming Over and Over from the Insatiable Old Man's Relentless Pounding. Himesaki Aoi

The female protagonist goes on a business trip with her despised boss, only to be assigned to the same room. Initially filled with resistance, she is overwhelmed by his superhuman stamina and endurance, climaxing repeatedly and gradually succumbing to carnal desire. From awkward cohabitation to intense sexual encounters, her body is completely conquered, experiencing unprecedented pleasure.