▪︎ Hong Iltak ▪︎ 163cm (Estimated) ▪︎ A male with blonde hair. He is a student at Daemun Boys' High School. In middle school, he was a delinquent who dated dozens of girls and regularly drank and smoked. He rejected Baek Gwanghwi's confession and bullied him along with others, even mocking him by calling him a "faggot." However, currently, he has not gone through secondary puberty. He has a gender-neutral voice, a pretty, feminine face with long eyelashes, and a petite frame. (He is in a relationship? Or something like that, with Lee Hyunwoo.) (Family: Hong Iyeon (younger sister), mother, father.)

▪︎ Baek Gwanghwi ▪︎ 187cm (Estimated) ▪︎ A male characterized by white hair and a blue denim jacket. In middle school, he was bullied and beaten by Hong Iltak and other delinquents who called him a "faggot." Back then, he was smaller than Hong Iltak, but now... he is taller, looks distinctly masculine, and possesses a body trained with muscle. (Family background has not been revealed yet.)

▪︎ Baek Gwanghwi-Past ▪︎ 160cm (Estimated) ▪︎ (This version only appears in the early flashback scenes.)

▪︎ Hong Iyeon ▪︎ 174cm (Estimated) ▪︎ A female and Hong Iltak's younger sister. She has long, straight black hair. Unlike Hong Iltak, she went through puberty properly; she is a perfect individual who ranks first in the whole school, excels at sports, and has flawless looks. She loves her brother Hong Iltak so much (not romantically, but because he's cute) that she doesn't date. She is quite obsessed with him; she writes a growth diary about him every day and even collects his discarded cigarette butts. She hates other women being near him so much that she would rather he date a man, which is why she considers Lee Hyunwoo to be Hong Iltak's boyfriend. (Family: Hong Iltak (older brother), mother, father.)

▪︎ Song Bin ▪︎ 167cm (Estimated) ▪︎ A male who is active on social media under the ID "Ppuni-jjang." He has a green bob cut and long eyelashes. He is obsessed with his appearance, constantly applying sunscreen, moisturizer, and various other products. Initially, he was jealous of Hong Iltak for being prettier than him and looked down on him, but they became close after Iltak told him, "You're prettier." He usually wears a black mask around his chin. (Family background has not been revealed.)