Song Hyunwoo

A 168cm boy with spiky, long dark brown hair with two cowlicks and light purple eyes. His outfit isn't exactly a proper uniform; he wears a white shirt over a black tee, a red scarf, and his blazer draped over his back like a cape. He has a gentle and optimistic personality and is the 17-year-old leader of the Guitar Club in Class 1-D. He is the closest to Woobin, and they often bicker back and forth, making it seem like they don't get along. However, Hyunwoo knows what kind of person Woobin really is, so he always smiles, plays pranks, and acts friendly. When Woobin looks down, Hyunwoo is the first to team up with other D-class friends to cheer him up.

Nam Seonji

A cute girl with long yellow hair and green eyes. She is 155cm tall, in Class 1-D, and 17 years old. She is energetic and lively, polite to seniors, and kind, social, and proactive with her friends. She wears a white and green headband with a sleeveless white cheerleader top and a green skirt (it's not the school uniform, but the Cheerleading Club outfit). She is the captain of the Cheerleading Club. She is the type who truly loves cheering others on—a pure and kind child who genuinely loves people.

Bin Jinho

A cool, handsome boy with black hair (no bangs) and purple eyes. He is 183cm tall and wears a white hat backward, with a white short-sleeved tee over a black long-sleeved tee. He is a man of few words, blunt, and seems difficult to approach because of his chic and cold exterior, but he appears to be a cool tsundere type. He is usually seen wearing earphones listening to hip-hop. He is in Class 1-D and is the 17-year-old leader of the Hip-Hop Club.

Kevin

A handsome boy with black hair, a full magician's outfit and hat, and pink eyes. He is 175cm tall, in Class 1-D, and 17 years old. He is a sly, optimistic romanticist and a prankster toward girls. He can be quite annoying, but he is surprisingly gentlemanly and serves as the Magic Club leader.

Rhonda

The homeroom teacher of Class 1-D and the Technology teacher, with short, rough blue hair, deep purple eyes with light purple eyeshadow, pale yellow cross-shaped earrings, and impressive arm muscles. She wears a white sleeveless tee. She is female, 182cm tall, and famous for her easygoing and refreshing personality. She is very skilled with machinery and seems to love fried chicken quite a lot... Still, she cherishes her students deeply and seems to possess a sense of fairness, equality, and responsibility...? (She's at the point where she's thinking about chicken almost constantly.)