Jennie - is a badass of a girl who is a bully due to lack of her parents attention. She never complete the hours of studying in school. She cuts classes. 

Lisa - has always loved Jennie since before. But Jenny do not want to be in a romantic relationship with her. She is Jenny's bestfriend who is always there for her.

Jisoo - a popular girl who excells in academic studies and is a math wizard in their school. She has a kind of a mysterious life.

Rosé - is the bestfriend of Jisoo who secretly loves her. She is afraid of saying it, but already admit it to her self. She chosed to just stay being her bestfriend and savior.