Pretty and kind. She has a slender, great physique. She was scouted by a famous agency called Bread Entertainment, but she wants to date. She likes both Eunho and Minhyuk, but favors Minhyuk slightly more. She is on terrible terms with Oh Seona.

Choi Jiyeon's best friend. She is funny and stronger than most men (she once broke a handgrip dynamometer during PE class). She is a bit chubby and wears heavy makeup. Despite that, she is a good kid.

A foxy antagonist who is obsessed with boys. She is pretty enough to rival Choi Jiyeon and pretends to be kind. She acts like she's rich, but she's actually poor and her mother is sick. She doesn't get along with girls and only hangs out with boys. She is on bad terms with Choi Jiyeon.

A delinquent who smokes, but he likes Jiyeon and has a soft side. He listens well to Jiyeon when she asks for something, and Jiyeon likes him back a bit. He smokes. He always takes Jiyeon's side and protects her.

Incredibly handsome, ranked 2nd in the whole school, and his father is a hospital director. He is good at cooking and dreams of being a chef, but his parents are against it. He is a charming guy that even Jiyeon fell for. Girls flock to him. He is so kind-hearted that he accepts everyone, but he never strikes up a conversation first.

Chubby and unattractive. He likes pretty women. The girl he likes changes every day. Currently, he likes Oh Seona. He smokes with Lee Minhyuk.