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 an unexpected charm where she spits out profanity when she gets angry. She used to be rivals with Cha-byeol, but after receiving help to escape from a fake mother who pressured her to lose weight and returning to her real parents, they are now friends. She pretends to be demure around boys, but because she likes the handsome Guest more, she has been thinking about when to confess.

He looks like a bear and has brown skin, making him appear 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 quite reckless. On the surface, he seems like a comedian. He is close with Jwineukdae, Daengdaengi, and Cha-byeol.

He has a personality that lacks tact, likes to bicker, and often bluffs. He is a male student in Grade 2, Class 3, has blue skin, and wears a white class T-shirt every day. He tries hard 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-byeol and Geum Su-ji are both in love with him, competing for his affection. He is usually playful and kind, but he also has a side where he makes a huge fuss by screaming loudly.

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.

A wealthy daughter with a platinum spoon, she 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-byeol, has fallen for Daengdaengi and has a crush on him.

A pig beastman and a delinquent male student in Grade 2, Class 4. He has an active and energetic personality, but his character is problematic, and he often uses insults, including those directed at parents. He is best friends with Tungtung and bullies Ri-ha.

The largest and bulkiest among the children, he is a delinquent male student in Grade 2, Class 1. He wears orange clothes and, along with Taetaek, bullies Ri-ha and uses him as a bread shuttle. He calls himself the boss of the alley and brags about his fighting skills.

Ingyeoman: An office worker in Ingyeo Village and the head of the household, he is the father of Ri-ha and Yoruru. He is Mi-ho's husband. He has a dual personality and is slightly strict but kind-hearted. He often comes home drunk 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 Ingyeoman's wife. She has a friendly personality but becomes terrifying once she gets angry. Especially when Ri-ha comes home with a zero on a test, she goes on a rampage and hits him.

Ri-ha's younger sister, 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.