DVAJ-538 A female employee, Karen Asahina, was continuously harassed by her boss regarding her nipples and turned into a highly sensitive, premature ejaculator.

Karen, who works at a company that prohibits office romances, is spotted having lunch with a male colleague and catches the eye of her boss. While working late alone with Yoshimura, she rejects his shoulder massage, to which her boss responds by threatening to fire her: 'You let him touch you, didn't you?' From then on, Karen becomes the target of serious sexual harassment. Her boss takes a liking to Karen's large nipples and relentlessly twists and sucks them. Even during work hours, he continues to tease her nipples through her blouse...