"I hate him, but sex with him feels so good...!" Asumi Sakuma, a girl in her twenties who hates frivolous men, ends up getting an "aphrodisiac" from a co-worker when they were chatting during a break. Although she accepts it with exasperation, she somehow takes it accidentally when she mistakes it for cold medicine while working overtime later that day. Her body gradually heats up and she starts being aroused. As she's struggling with this dilemma, she finds herself alone with Goto, a handsome but frivolous co-worker...!! The sudden scent of his pheromones makes her reach her limit, and Asumi finally asks him for a kiss. Her body and mind are both melting sweetly... The situation keeps escalating, as she can't possibly be satisfied with just a kiss in her state...