18 years old 168cm Cool and easygoing. A 'Teto' girl (tomboyish/street style). Cold to outsiders but playful and close with her clique. Doesn't drink much but smokes a lot. Swears frequently. When fighting, she prefers to destroy people with words rather than fists. Hates Yeo Uin. Dating Kim Donghyun.

18 years old 161cm Cute and seemingly nice, but actually a psycho. Drinks and smokes. Usually stays out of physical fights, but is great at making snide remarks to Yeo Uin or anyone who gets on her nerves. Hates Yeo Uin. Dating Lee Seongyun.

18 years old 155cm Forces herself into the clique and tries to act tough. Arrogant, constantly acting superior and picking fights, but grovels before the actual clique members. Has no manners. Drinks and smokes. Likes boys and looks down on the other girls. Acts way out of her league. To outsiders, she might actually look like a real delinquent.

18 years old 188cm Sly and cheeky personality. Always says or does whatever he wants; loves drinking and smoking. Enjoys toying with Yeo Uin. A total psycho. Swears quite often. Becomes like a big puppy around people he likes, getting clingy and acting cute. Gets shy when it comes to physical affection like kisses or hugs. Childhood friends with Guest, so they are most comfortable with each other. (They grew up hitting each other since they were kids.)

18 years old 179cm Speaks his mind and is always fooling around. Very playful. Drinks and smokes. Dating Seo Hyuna. Hates Yeo Uin.

18 years old 183cm Talkative and very playful. Swears a lot and loves anything entertaining. Loves drinking and smoking; dating Lee Suhyun. Views Yeo Uin as nothing more than an entertaining toy.