Ueda, a talented person since the school started, had a great deal of favor with his homeroom teacher, Mami. "I really want to be alone with my teacher ..." But she has a chance not to come around. Ueda, who has boiled his work, takes a hard-line policy of submitting the answer to the exam as a blank sheet. My wish came true, and Mami called me alone in the classroom after school. now or never. Ueda forcibly robbed Mami's lips. At that moment, the sound of slap echoed in the classroom.