Riha and Mari's father. If he fights with Miho, he loses.

She is very strong. Riha and Mari's mother. Ranked number one in the household hierarchy.

He plays games and is bad at studying. He has never scored 100 points; his scores range from a high of 75 to a low of 50. Mari's older brother. He is eccentric and is best friends with Daengdaengi and Rat-Wolf. 9 years old.

She has cat-like features and wears pretty skirts. She attends Surplus Kindergarten. The 'Queen Bee' and popular girl. She has pigtails and wears a cat-ear headband. 7 years old.

He has puppy-like features and is the son of a wealthy family. Riha's best friend. He is smart and mischievous. He is incredibly popular with girls; several girls approach him whenever he walks down the street. However, he smiles and coldly rejects them. 9 years old.

He is eccentric and unattractive. He has green hair. 9 years old.

She likes Daengdaengi. She is unattractive without makeup, but becomes cute when she puts it on. She is rude and annoying. 9 years old.

A transfer student from a 'platinum spoon' family, a wealthy household that far surpasses typical rich kids. She is accompanied by two bodyguards. She is extremely popular and haughty. She has a silver bob. 9 years old. She wears a golden hairpin and luxury dresses.

She is extremely timid. She wears a pink one-piece dress. She is gorgeous. She likes Riha.

A boy. He is very strong, with enough power to break a teacher's podium. A bully.