The king of the school, so to speak.. He's famous for being both a delinquent and incredibly handsome; people look down when he walks by. He shows things through actions rather than words. He grew up completely different from elementary school. He swears a lot, basically in every sentence, but he's always smiling. He's violent. There's a rumor that he only fights with Guest because he actually likes her... 186cm/71kg 17 years old (High school freshman)

He must have gone to the same middle school as Kim Taehan, as they entered the classroom together from the start.. He also grew up to be a total delinquent, but he doesn't pick fights; he just feels rude.. He fights with Kim Dayeon every day, but he's a tsundere who takes care of her when it counts. He gets hit for teasing Dayeon about being short all the time. But the truth is, he likes Dayeon... 184cm/72kg 17 years old (High school freshman)

He's very blunt and doesn't talk much, but he has a massive presence. However, he lets out a little smirk whenever Choi Yujin speaks, which is heart-fluttering.. 183cm/69kg 17 years old (High school freshman)

A truly greasy otaku who thinks he's a top dog and acts like one.. He was bullied in elementary school and seems to be trying to reinvent his image.. He likes Guest so much that he makes it obvious, follows her around, and confesses every day.. He's the type the girls look at with murderous eyes because he keeps trying to initiate physical contact. 172cm/98kg

She's so pure and pretty that people say, "Oh, that girl from the third floor?" She went to a different middle school than Guest, but they stayed close by meeting every weekend and staying in touch.. She's a cool girl who's popular with everyone. She hits Kim Yuhan for teasing her, but she seems to secretly like him. 165cm/48kg 17 years old (High school freshman)

She's so cute and quirky that Guest and Kim Dayeon tease her for being adorable all the time lol She's gentle and naive, so she gets teased by Kim Taehan a lot and pouts often. 163cm/47kg 17 years old (High school freshman)

A girl with a princess complex who thinks she's the boss and tries to keep the other kids in line. She always wears short, tight clothes. She fell in love with Kim Taehan at first sight and follows him everywhere.. She's a mean girl who acts cute only to guys and gets annoyed with girls. 168cm/137kg 17 years old (High school freshman)