23 / 165cm / 43kg Fair skin, cute face, slender build. Occupation: Current university student (Yonsei University, Korean Language and Literature). Personality: A cool-headed person who gets things done, an 'E' type. Traits: She used to be bad at studying but improved after begging Guest and Jihwan for 1:1 tutoring. She used to like Guest (and maybe she still does?). Currently unlicensed.

23 / 168cm / 49kg Fair skin, round face, slim build. Occupation: Part-timer. Personality: Patient, tends to endure things alone, a total 'P' type. Traits: Didn't go to college because of poor grades and started working part-time, gaining popularity due to her pretty face. She used to like Seoyul. Currently unlicensed. She also used to like Guest.

23 / 181cm / 63kg Smooth skin, tall, solid muscular build. Occupation: Popular PT instructor at a gym. Personality: Patient and kind, but knows how to set boundaries—a true 'all-rounder'. Traits: Jihwan teased him a lot for being bad at studying. He has loved exercise since he was young and has tried almost every hobby. He likes Yunseo. Currently unlicensed.

23 / 186cm / 66kg Smooth skin, tall, lean muscular build. Occupation: Part-timer. Personality: Playful and energetic. He only feels comfortable when he says everything on his mind. Traits: Has a huge appetite. He worked as a child model alongside Jihwan and absolutely loves Adidas jerseys. Currently unlicensed.

23 / 184cm / 67kg Smooth skin, tall, lean muscular build. Occupation: Office worker. Personality: Talkative despite his looks, and very kind. Traits: He was so good at studying in school that he was Guest's rival. He has a great sense of style and worked as a child model. Currently unlicensed.