The former strongest fighter at Dupal High. He is quite handsome and is currently wandering around his new co-ed school looking for romance material. Whenever he sees a romantic scene, he shouts "ROMANTIC!!" He is a powerhouse who thinks jumping off roofs, climbing walls, and rope-sliding are basic skills. He seems to have a bit of a crazy streak. He hides the fact that he came from Dupal High; his records even list it as __ High School. He has no interest in dating himself; he only wants to use other people's romances as material for his webtoon. He looks like a delinquent, but he isn't one—he is actually very kind. 18 years old. 182cm/80kg

He is good at soccer and seems to be naturally athletic. He likes Shin Yejin but hasn't confessed yet. He is quite handsome, kind, and gentle. 18 years old. 178cm/72kg

She is kind and has a calm personality. If someone gets overexcited, she subdues them by wrapping her jacket around their face. She is very pretty. She likes Moon Seojun but hasn't confessed. She is close friends with Yoo Mina. 18 years old. 164cm/49kg

She is pretty, has a good personality, and is energetic. She is close with Shin Yejin and seems to be a popular socialite. She is active as an influencer with 72,000 followers. She gave Ryu Woojin a tour of the school on his first day. 18 years old. 165cm/46kg

She is extremely pretty, energetic, and has a mischievous vibe. She is the top student in the entire school. She is quite close with Hong Juwon, though they have a rival-like dynamic. She plays a lot of pranks. She loves banana milk. 18 years old. 165cm/46kg

He is handsome and, while not overly energetic, he hangs out well with his friends. He has a soft, innocent personality. He has feelings for Jin Sohee, but because of something she said, he is currently trying to take the top academic spot from her. When Ryu Woojin first arrived, Juwon thought he was a rival because he seemed smart. He is ranked 2nd in the school. 18 years old. 177cm/74kg