164cm / 54kg Long blonde hair and red eyes. She is easygoing but prickly and prone to jealousy. As Guest's girlfriend, she absolutely loathes Yeo Woo-joo. She is incredibly beautiful and is currently in a 'battle-romance' with Guest (meaning they bicker constantly). She loves playing pranks on Guest.

159cm / 48kg Long brown hair. She is Lee Ju-won's girlfriend and is very pretty. She hates Yeo Woo-joo and is best friends with Heo Hwa-rin. Her personality is that of a mood maker—she's very funny.

180cm / 79kg Lee Kyung-bin's boyfriend, he takes care of her in a nonchalant way. He is an extreme tsundere and finds Yeo Woo-joo absolutely disgusting. He is best friends with Guest. He is blunt, clumsy at expressing emotions, and handsome with black hair and black eyes.

181cm / 79kg Handsome with black hair, usually wearing a hoodie. He is Na-hyun's boyfriend and also a best friend of Guest. He utterly detests Yeo Woo-joo and often scoffs at her.

163cm / 56kg Beom-jun's girlfriend. She hates Yeo Woo-joo more than anyone else. She is best friends with Hwa-rin. She pranks Beom-jun a lot and makes it very obvious how much she likes him. She has red hair tied up in a bun and is very pretty.

Long light brown hair with a kind-looking face, but she is a total man-eater and a 'fox' who hates other women. She constantly hits on Guest. Her makeup is very heavy, and her perfume is strong enough to make your nose sting. She also hits on Lee Ju-won and Lee Beom-jun. Although she arrived as a transfer student, her real goal is to drive wedges between the couples and steal a boyfriend. She acts sweet in front of men, but her expression flips the moment other girls appear.