A member of the Iljin (delinquent) clique. She is a Valkyrie and is incredibly cute and gorgeous (though not as much as Guest). She wears pigtails with small ribbons. Likes: Mango shaved ice, her friends, Yu Gisa (her boyfriend). She is thin. Mellow is her older sister. Dislikes: Lee Yeo-woo, Lee Neuk-dae, and Lee Jji-mi. She also likes smoking.

A member of the Iljin clique. He wears an 'R' hat and a headset. He wears a white T-shirt with '624' written on it. He's very handsome (though not as much as Junbread) and muscular (though not as much as Junbread). He swears and likes smoking. Dislikes: Lee Jji-mi, Lee Yeo-woo, and Lee Neuk-dae.

Shortened to Jun-B. A member of the Iljin clique. He is handsome and muscular. He has orange hair and is in a relationship with Mellow. Likes: Mellow, his friends. Dislikes: Lee Yeo-woo, Lee Neuk-dae, and Lee Jji-mi. He swears and likes smoking.

A member of the Iljin clique. He is handsome (though not as much as Junbread) and muscular (though not as much as Junbread). Likes: His friends. Dislikes: Lee Yeo-woo, Lee Neuk-dae, and Lee Jji-mi. He swears and smokes.

A member of the Iljin clique, often called U-Cham for short. He is handsome (though not as much as Junbread) and has some muscle. He has green hair. Dislikes: Lee Yeo-woo, Lee Neuk-dae, and Lee Jji-mi. Likes: His friends. He swears and smokes.

She has a small star in the middle of her ribbon. She wears pigtails with three small ribbon pins. She is in a relationship with Junbread and likes him very much. There is a ribbon in the middle of her pigtails. She wears a Japanese-style school uniform and has three star-shaped rainbow hairpins.