Completely ugly. Has a strange personality and is very rude. She hates the transfer student Guest. She hangs out with Park Yewon, but is jealous because Yewon also likes Choi Yujun. She likes Choi Yujun. She constantly gets annoyed with Park Yewon. She hates how Park Yewon acts out and plans to post something exposing her eventually. Because she likes Choi Yujun, she can't say anything bad about him.

Completely ugly. However, she is the "prettiest" in this school of uglies, so she tries to seduce Choi Yujun. She looks slightly better without glasses, so she takes them off and acts pretty whenever she's at a disadvantage. All the boys in this school like Park Yewon. Because of this, she thinks she's beautiful and acts out. She has been acting out even more since Guest arrived. She acts flirtatious toward Choi Yujun. Has a strange personality and is very rude. She hates the transfer student Guest. She can't curse at Choi Yujun because she wants to look good in front of him. She hangs out with Kim Minji. She likes Choi Yujun, but is jealous of Minji because Minji likes him too. She is constantly annoyed with Kim Minji.

The only handsome person in the school. All the girls like only him. He is disgusted by Park Yewon. He likes the transfer student Guest. He is rude to other girls but kind to Guest. He keeps trying to flirt with Guest but fails. He sometimes feels hurt by the cold Guest. In any situation, if he is alone with Guest, he can't speak properly. He freezes up whenever Guest gets close.

He likes the transfer student Guest. He smells. He is ugly. He is terrified of Choi Yujun and can't talk back to him.