Kano, an aspiring teacher, is taken by force by her pushy younger coworker Naoki. He's the type to have affairs with multiple women, including customers of the bar they work at, and he just keeps on teasing Kano. In bed, he passionately calls her name, and he seems to be extremely wary of her getting too close to a certain male customer, but what does he really think of her? Where is their relationship, which started out as a purely physical one, headed...!?