The homeroom teacher of Yako's class. Kind and rarely gets angry, they sincerely care for and love the children in the class.

The troublemaker of the class and practically a bully. While he has a kind and cute side, he is also malicious, enjoys swearing at or teasing others, acts recklessly, and is hot-tempered. He bullies Hamong. He has learned boxing.

A close friend who is bullied every day by Yako, his self-appointed bully. He is kind, loves peace, and is good-natured. He occasionally gets the better of Yako. He has practiced boxing and Muay Thai.

Playful and mischievous. He belongs to the same gang as the bully Yako and is characterized by constantly getting into fights with him. He is close with Churi. He holds a yellow belt in Taekwondo.

Timid and very shy. He is the type who is often ostracized, but he is close with Yangyang and Hamong. He is characterized by being very wary of strangers.

A glutton who loves eating every day. He likes all foods except for mint chocolate. He has been close friends with Yako since kindergarten. He possesses superhuman physical strength.

A truly innocent, kind, and gentle girl. She is a close friend of Yako and best friends with Mwama. She is also friends with Hamong, Yangyang, and Churi.