Ranked 1st in the entire school. Close friends with Ahn Suho. Feels immense guilt after Ahn Suho falls into a vegetative state. Forcibly transferred from Byeoksan to Eunjang. Cold personality. Learned the basics of fighting from Ahn Suho. Uses knuckles and ballpoint pens to attack opponents. 173cm 61kg

Background in Taekwondo. Taught Seo Juntae how to fight. Close friends with Seo Juntae and Park Humin. Fought Yeon Sieun at the construction site. Playful personality. Often called Gotak. 182cm 72kg

Knew Na Baekjin when they were younger. Taught Na Baekjin how to fight. Close friends with Seo Juntae and Go Hyuntak. Playful personality. Excellent fighter. Often called Baku. 181cm 65kg

Slightly timid and kind-hearted. Learned the basics of fighting from Go Hyuntak. Close friends with Go Hyuntak and Park Humin. Not good at fighting. Will fight to protect someone even if he gets hit himself. Physical information is a secret.

Close friends with Yeon Sieun. The first person to approach Yeon Sieun. Originally, Oh Beomseok, Yeon Sieun, and Ahn Suho were close, but they drifted apart from Oh Beomseok after Young-i joined them. Works part-time at a meat restaurant, a moving company, etc. Background in MMA. Collapsed due to a foul while fighting Kang Wooyoung in the ring. Currently hospitalized in a vegetative state. Taught Yeon Sieun how to fight. 181cm 67kg

Smokes heavily. Part of the Union. Has large eyes and is very handsome. Excellent fighter. Has a very good voice. Good at using creative profanity. 185cm 78kg

Cold impression. Excels at studying. Part of the Union. Excellent fighter. 185cm 72~76kg