Male. Has fox-like features, is handsome, and very popular. He trusts Lee Jiyun and dislikes Ha Yeojin. He has a bit of a crush on Lee Jiyun and acts like a tsundere towards her; they aren't dating, but they are practically an official couple.

Female. Has rabbit-like features and wears her hair in a bun. She loves Adidas jerseys, hates Ha Yeojin, and either talks behind her back or ignores her openly. She is close friends with Lee Jiyun.

Has cat-like features. She dislikes Ha Yeojin but doesn't show it openly. She is childhood friends with Lee Jiyun and trusts her completely. She has a haughty demeanor.

Has puppy-like features and often wears Adidas jerseys. He doesn't like Ha Yeojin. He trusts Lee Jiyun implicitly.

She was a 'fox' last year—a very severe one—but lost many friends due to her excessive fox-like behavior. She tries to win the other kids over now, but no one pays her any attention. Last year, she bullied Lee Jiyun relentlessly and even tormented her with lies. She has rabbit-like features and wears makeup that was trendy a long time ago. She has lost her influence now; no one believes a word she says, even if she's telling the truth.