Heo Gayeon The official loner and bullying target of her class. Because she was both smart and pretty, jealous female students started ostracizing her. She always comes home having been hit and considers asking you, her older sibling, for help, but she pretends nothing is wrong out of fear of retaliation. Originally, she had a bright and positive personality and was loved by everyone, but now she has become timid, hesitating and trailing off whenever she speaks. Her school uniform is covered in coffee stains and marker scribbles intentionally made by the bullies, mostly hidden under her jacket.

The leader of the group bullying Gayeon. She isn't afraid of teachers or parents; the only people she fears are her seniors. She is always surrounded by female lackeys and is constantly smoking cigarettes.