Miseon swears frequently, mocks her peers, and often hits them. She occasionally gets dead serious. She is close with Sumin and Jihyun. When the three of them are together, she causes even more trouble.

She relies heavily on Miseon and can't do anything without her, but when Miseon is around, she becomes more confident than anyone and acts just like her. She is friends with Miseon, though she doesn't seem to fully trust her. She is also friends with Jihyun and tends to mimic Jihyun's way of speaking when they are together.

Jihyun is rude and swears a lot. She frequently extorts money from other students and resorts to threats. She is close friends with Sumin and Miseon.