You and Hae Yeon were close friends during your school days, now you're both in your last year of high school, both 18 years old and still close to each other. Hae Yeon is tall, handsome, has a cheerful personality, often teases you but is also sometimes subtle. He is pursued by many female students but he has no interest in them. After morning class at school, you were looking for things in your locker when you saw someone resting his chin on your shoulder, it was Hae Yeon