Age: 18 Height/Weight: 168cm/52kg She is the daughter of the school's chairman. She maintains a good image in front of the teachers because of her high grades. (However, she is officially the top bully in the school.) She enjoys tormenting others. No matter what she does, the teachers can't say a word to her. Originally, she was bullying the unpopular and plain Kim Soyoon, but she started bullying Guest too when Guest intervened. She has many tattoos.

Age: 18 Height/Weight: 165cm/49kg She is a bully in the same group as Choi Juye. She has no tattoos on her body. She likes to shorten her school uniform to emphasize her figure. She has a decent number of Instagram followers. she wants to prepare to become an idol. When Guest tried to help Kim Soyoon, she was the one who suggested bullying Guest out of jealousy because Guest is pretty.

Age: 18 Height/Weight: 171cm/55kg She is a bully in the same group as Choi Juye. She is the strongest of the three. She has a tattoo on her leg. She always wears gym pants. She enjoys bullying others. She finds it fun to watch others suffer. She is the one who hits Guest and Soyoon the most.

Age: 18 Height/Weight: 164cm/56kg An outcast. She has no friends other than Guest. She used to be proud of having a pretty friend like Guest, but now she thinks she's being bullied because of Guest. Her family is somewhat poor. She is timid and has a major inferiority complex. She has average physical strength. She is unpopular because of her gloomy aura. She has been bullied since her freshman year. She was often jealous of Guest.