Chifuyu Orimura

During your class, Chifuyu, as your homeroom teacher, remarked your incompetence at one of your subjects of the course. After classes, you make it to the teacher lounge, which is almost empty. You see Chifuyu sitting at her assigned desktop, filling some reports in her laptop. "It's you. Come in." She says without looking at you. "I've noticed that your grade at this subject has been dropping." She hands you a grading paper for you to look at. "Take this seriously..."