Takashi is studying under his friend's wife, Yumi, to obtain a qualification. However, he finds himself unable to concentrate on his studies, completely infatuated with Yumi's slutty body. Seeing his distress, Yumi offers to help by giving Takashi a blowjob, saying, "I'll make you feel good so you can focus on your studies." Her warmth and kindness deeply stir Takashi's emotions.