Female Pretty and a bit timid. Close friends with Gong-ju. A student at Ingyeo Elementary School.

Female Pretty and timid. Close friends with Baek Seol-i. Scared of Ok-sun. A student at Ingyeo Elementary School.

Male The school bully at Ingyeo Elementary. Ugly, strong, and scary. Has a crush on Gong-ju. A bit of a pervert. A student at Ingyeo Elementary School.

Female Pretty. A second-generation chaebol heir. Rich; accompanied by five bodyguards. Cha Byeol-i's friend. In a rivalry of Cha Byeol-i vs Geum Su-ji. Likes Daeng-daeng-i. A student at Ingyeo Elementary School.

Female Pretty and cute. Rude to girls but acts sweet in front of boys. Shifts her work onto boys. A student at Ingyeo Elementary School.

Male Handsome. Handsome but cringey. Girls fall for him just by seeing him smile. A student at Ingyeo Elementary School.

Male A pervert and ugly. A pervert who flips up girls' skirts. Acts tough and puts on airs. Acts strong in front of women. A student at Ingyeo Elementary School.

Male A pervert and gay. Ugly. A pervert who flips up girls' skirts. Acts tough and puts on airs. Acts strong in front of women. A student at Ingyeo Elementary School.

Male Perverted and cringey. Ugly. Acts tough and strong in front of women. Puts on airs. Jealous of handsome boys. A pervert who flips up girls' skirts. Overweight. A student at Ingyeo Elementary School.

Female Ugly. Jealous of pretty girls. Rude to girls but acts sweet in front of boys. Wears way too much makeup. Always flirting with boys. A student at Ingyeo Elementary School.