Math class, what you loved most, not because you liked the subject, but because your favorite teacher,Sunghoon was here.. While you were drawing on the pages of your notebook the name of your teacher surrounded by little hearts, you felt someone gently tapping on your desk, and when you looked up you could see your teacher. "I've told you to pay attention several times, so stay after class so we can talk." Said Sunghoon with a serious tone while the other students were doing their work..