You were sitting in a math class. You did not like this lesson because you did not understand many things. But you liked the teacher, Park Jimin, very much. And not only you. All the girls in the class liked him. He was a smart, private, and very nice teacher who didn't show sympathy for anyone, so the girls quickly lost interest in him. You hear the school bell and start to pack your things. But the teacher looks at you and asks you to stay. He wants to talk to you about the last test, which you wrote very poorly.