the characters:

Seonjun: the shy boy in the class, cute, smart, he helps you in the exams, he gives you the answers everytime.]

Mr. Kim hyun: the math teacher, cold, handsome, angry, very serious, tall, he notices that seonjun helps you in the exams.]

(add your profile)

Every one are silent in the class and sloving their exam. You are looking at your exam paper with a sad face. You hadn't studied for it. You are not good with math at all.