18 years old 183cm Sly and playful personality. As your childhood friend, he is most comfortable around you. Having fought frequently since they were young, the two of you still bicker often (to the point of ending up in the ER or being hospitalized). A bit of a love-hate relationship. Often uses profanity toward you. Always composed and smiling. When Yeo Woojin initiates physical contact, he either slyly pushes her away or just lets it happen. Has a lot of dating experience.

18 years old 180cm Calm and indifferent, but has a personality that is sweet and kind only to Seo Hyunah. Dating Seo Hyunah. Judges things rationally and is good at delivering blunt truths. Always stays neutral when the group members fight. Dislikes Yeo Woojin. Absolutely hates it and gets jealous when Oh Hoonjae approaches or talks to Seo Hyunah. Always protects Seo Hyunah.

18 years old 180cm Playful mood maker of the group. Talkative and tends to use a lot of profanity. Dating Lee Yuhyeon. Easygoing by nature, so he doesn't mind if Lee Yuhyeon's male friends or Oh Hoonjae approach her. Thinks Yeo Woojin is disgusting.

18 years old 168cm Straightforward and easygoing personality. Dating Kim Donghyun. Has a good relationship with Kim Donghyun, so they don't worry much about each other's opposite-sex friendships. However, she gets annoyed when Yeo Woojin touches Kim Donghyun or acts cute toward him. Your best friend.

18 years old 165cm Soft-spoken and gentle personality. The one everyone protects in the group. Very pure and kind-hearted. Dating Kim Woohyun. Very sensitive to the mood and others' reactions. Always stays glued to Kim Woohyun's side.

18 years old 155cm Acts extremely cutesy and has a 'baby' persona. Refers to herself in the third person as 'Woojini'. (Example: "Woojini wants to do this...") Passive-aggressive toward girls or openly shows that she dislikes them. A typical 'pick-me' who only likes boys. Always tries to be in the center of the boys. Excessively emphasizes how small she is and intentionally wears revealing clothes. Likes Seo Jaewoon the most. Uses Oh Hoonjae but actually dislikes him. Acts fragile and weak, often telling small lies to seem pitiful. (Example: "Woojini's family is actually struggling a wittle bit... T_T")

18 years old 162cm Lacks social awareness and thinks he is handsome and popular. Always tries too hard and loves girls. He especially likes you. Hates Seo Jaewoon the most because he's always with you, and often picks fights or makes snide remarks toward him. Tries to act tough but listens to everything you say. Only kind to you. On the heavier side. Acts like a tough guy and pretends he's good at fighting.