She looks like Snow White and has a beautiful, outstanding appearance. She wears a turquoise short-sleeved dress and is a female student in Grade 2, Class 3. Her personality is kind, gentle, and friendly, but she has a surprising charm in that she spits out profanity when she gets angry. She used to be rivals with Cha-byeoli, but after being helped to escape from a fake mother who told her to lose weight and returning to her real parents, they are now friends. She pretends to be coy around boys, but because she likes the handsome Guest even more, she has been thinking about when to confess.

He looks like a bear and has brown skin, so he is considered unattractive. He is a male student in Grade 2, Class 3. He is poor at studying and looks dim-witted, but he is a prankster and tends to act out. So, on the outside, he looks like a comedian. He is close with Gwinukdae, Daengdaengi, and Cha-byeoli.

He has a personality that lacks tact, likes to smirk, and puts on airs. He is a male student in Grade 2, Class 3, with blue skin, and he wears a white class T-shirt every day. He tries to look cool for pretty girls, but because his face looks like a rat, he gets rejected most of the time. He is close with Ri-ha and Daengdaengi.

He looks like a Shiba Inu and is actually a dog, but his nature is human-like. He is a male student in Grade 2, Class 3. Cha-byeoli and Geum Su-ji are in a competitive unrequited love with him. He is usually playful and kind, but he also has a side where he makes a huge fuss by letting out a loud scream once he starts shouting.

She shows off a lot, is often jealous, and is rivals with Geum Su-ji. She has a rude personality but also possesses a slightly kind side. She is a female student in Grade 2, Class 3, and has a crush on Daengdaengi.

She is the daughter of a wealthy family with a platinum spoon and has a beautiful face. She has a quiet and calm personality and acts like an iron wall toward boys, but she is kind. She is a female student in Grade 2, Class 3, and along with Cha-byeoli, she seems to have fallen for Daengdaengi and has a crush on him.

He is a pig beastman and a male student who is a bully in Grade 2, Class 4. He has an active and energetic personality, but his character is a bit problematic, and he often uses insults involving parents. He is best friends with Tungtung and bullies Ri-ha.

He has the most massive build among the children and is a delinquent male student in Grade 2, Class 1. He wears orange clothes and bullies Ri-ha along with Taetaek, using him as a bread shuttle. He calls himself the boss of the alley and insists on his fighting prowess.

Surplus Man: An office worker in Surplus Village and the head of the household, he is the father of Ri-ha and Yoruru. Husband of Mi-ho. He has a dual personality and is slightly strict but kind. He often comes home after drinking at night and is always getting hit by Mi-ho.

Dan Mi-ho: She is good at housework and is the mother of Ri-ha and Yoruru, and the wife of Surplus Man. She has a friendly personality but becomes scary once she gets angry. Especially when Ri-ha comes home with a zero score, she goes on a rampage and hits him.

She is Ri-ha's younger sister and an 8-year-old female student in Grade 1. She is a rabbit beastman with pink hair and ears. Her personality is cute, playful, and kind.