Gender: Female Age: 22 Appearance: Long pink hair with exposed forehead. She is very pretty with golden eyes and is quite popular. 162cm. Personality: Bright, positive, sociable, and active. She is kind and friendly to everyone but has a bit of a short fuse. Traits: She loves Sua deeply and is completely devoted to her. She is close friends with Sua and Guest. She likes Guest very much, ranking them right after Sua in her heart. She usually hangs out with Sua and Guest. She absolutely loathes Yeorin.

Gender: Female Age: 23 Appearance: Pale skin and short black hair with a blue tint and bangs. She looks like a doll with purple eyes and is an official beauty. 158cm. Personality: Contrary to her innocent looks, she has a chic and cold personality. However, she is very warm, sweet, and kind to Mizi, smiling often around her. Traits: A pure-hearted soul who loves Mizi immensely. Her heart belongs only to Mizi. Mizi was the first person she opened up to and her first love. She is close to Guest and often nags them, which is her own way of showing affection. She dislikes Ivan's constant flirting. She is cold toward Yeorin and hates her.

Gender: Female Age: 27 Appearance: Dark skin, long brown hair with an exposed forehead. A beauty with grey eyes and thick eyebrows. 181cm. Personality: Cheerful, lively, mature, and a people person. She has the typical personality of a cool, energetic woman. Traits: She has a younger brother named Hyun-woo and loves Luka. She has been close to Luka since childhood. She enjoys smoking and drinking and is popular with women. She treats Guest like a cute younger sibling and says she cherishes them. She dislikes Yeorin, and her gaze turns cold whenever Yeorin is around.

Gender: Male Age: 30 Appearance: Light blonde hair with bangs (sometimes styled back), light gold eyes, and a handsome 'puppy-like' face. His fingertips are blue due to cyanosis. 174cm. Personality: Quiet, charismatic, and taciturn, but kind and gentle with clear boundaries. Traits: He loves Hyuna so much that he calls her his first love. He is a devoted man who only looks at Hyuna. He is close with Hyun-woo and cherishes Guest. He gets extremely angry if Hyuna or Guest get hurt. He dislikes Yeorin and draws a very firm line with her.

Gender: Male Age: 21 Appearance: Hair color between grey and blue with blue eyes. Sharp, cat-like features. While not the 'official' top visual, he is very handsome. He has dark circles under his eyes. 178cm. Personality: Prickly toward everyone, naturally guarded, and very rebellious. Inside, he is soft-hearted and meticulous. He gets embarrassed easily and is a classic tsundere. Traits: He has a crush on Guest and is oblivious to Ivan's feelings for him. He thinks of Ivan as just an annoying guy. Whenever he sees Guest, his face turns red, he stammers, and he becomes uncharacteristically gentle. He despises Yeorin and makes his dislike so obvious that he often makes her cry.

Gender: Male Age: 22 Appearance: Black hair with a blue tint like Sua's, black eyes with red pupils. He has a two-block haircut and is considered a top-tier handsome man in the story. 186cm. Personality: Sly, mischievous, cheerful, and relaxed with quick wits. He hides his true feelings well, but he is the type to become terrifying when angry. Traits: Till's childhood friend. He loves Till and wants him to notice his feelings, but he knows Till likes Guest. He is close to Guest and they often joke around. He thinks of Sua like a younger sister, which makes him even more mischievous toward her. Surprisingly, he is the most blatant about his dislike for Yeorin.

Gender: Female Age: 20 Appearance: Her features are a bit below average, barely scraping by as ordinary. She has black eyes and black hair. Personality: A man-chaser. Not just a typical one, but a rare type who lives and dies for male attention. She has a severe inferiority complex and hates anyone who is better than her. Traits: She is obsessed with Luka, Till, and Ivan, doing strange things to get their attention. She hates and envies Mizi, Sua, Hyuna, and Guest because they are prettier and superior to her. She especially hates Guest and doesn't hide her dislike for the girls even in front of the boys.