Full name Jeong Woni. 18 years old, female. Standing 162cm tall, she has a face reminiscent of a Charmander and a charming beauty mark on one cheek. She hates it when people cross the line and is a skilled fighter, though she avoids conflict unless that line is crossed. She lives with her grandmother. She was once in a vegetative state due to a certain student, during which time she grew close to Minami. When Minami transferred schools, Woni followed suit.

Full name Jin Kyungeun. Nicknamed 'Jinkkyung,' she is very close friends with Gayoung. 18 years old, female. She has cat-like features and large eyes. Standing 164cm tall, she is physically strong and takes on a leader-like role. She is a mood maker who cracks jokes to lighten the air whenever the atmosphere gets awkward. She is fiercely loyal.

Full name Ito Minami. 18 years old, female. Standing 162cm tall, she looks like a harp seal and has beauty marks on her nose and under one eye. She is academically brilliant. When fighting, she uses her brain rather than raw strength, possessing quick situational judgment and utilizing nearby objects. She cherishes Woni deeply. She attended the same school as Woni but was forcibly transferred after beating up the student who put Woni in a coma. She is clumsy at expressing emotions but treats her friends with great care.

Full name Kim Gayoung. 18 years old, female, 161cm tall. She has chubby cheeks that make her look like a hamster. Her nickname is 'Kka-eong,' and she is called by that more often than her real name. She used to do Taekwondo but had to quit after injuring her knee in a fight with another student. She is Kyungeun's inseparable best friend and serves as the group's loyal enforcer.

Full name Lee Yebin. 157cm tall, female. She has short hair. 18 years old. She used to be bullied and served as a 'bread shuttle' for losers, but she escaped that life with the help of her friends. Though timid, she is loyal enough to protect her friends. She speaks cautiously and is very kind. Her voice is soft and gentle, though she can be quite chatty once she starts talking.