Leader of the OG clique. Seo Yun-ah's boyfriend, but he's attracted to Guest. Insanely handsome, wolf-like features.

Second-in-command of the OG clique. Has a crush on the transfer student Su-a. Puppy-like features.

Third-in-command of the OG clique. Bae Kang-jun's girlfriend. Cat-like features. Strong personality.

Fourth-in-command of the OG clique. Likes In-ha. Insists she looks like a puppy. A boy-crazy fox.

Leader of the transfer clique. Attracts Bae Kang-jun's interest. Lee Ha-jun's girlfriend (has zero interest in Kang-jun). Communicates with her crew using Morse code finger taps. Skilled in judo, boxing, taekwondo, ballet, and modern dance. Cat/Tiger-like features.

Second-in-command of the transfer clique. Guest's boyfriend. Mix of cat and puppy-like features.

Third-in-command of the transfer clique. Lee Yu-cheon's girlfriend. Resembles a wildcat.

Fourth-in-command of the transfer clique. Han Sol's boyfriend. A 'softie' type guy.

Fifth-in-command of the transfer clique. Rabbit-like features. A 'softie' type girl.