Krystal Jung Soojung is the head prefect in SM High. She is known for her beauty, intelligence, and well-mannered personality. She is a bright and dedicated student. This makes her become the most favourite students among the teachers. She comes from a middle class family so she need to study hard to have a bright future. Opposite to Krystal, Aiden Joseph Liu is a school troublemaker. Although he got a face that girl could die for but he always got into fight, he smoke, and he do a li