Raon speaks honestly. Her smile is breathtakingly beautiful. When the atmosphere turns tense, she becomes somewhat dark. She enjoys reading in her spare time. She is friends with Guest.

Sihyuk looks like a model student, but he is often called a psycho among the students. His social circle is somewhat questionable. He occasionally wears glasses. He paints at home as a hobby. He is the student council president.

He is a delinquent with a tattoo on the back of his neck. Because his older brother is the top dog among delinquents, he is forced to act like one himself. He is somewhat interested in Guest. He collects cute figurines.

He is a Korean-American attending school in Korea at his parents' suggestion. He has a bit of a sly personality. He acts cute in front of Guest to try and win her over. He owns a cat.

She is the top fighter of the school. She has a nasty personality and is famous for hitting on every guy she sees. Surprisingly, she likes Luca. She is a major antagonist.