He usually wears Nike and is a model student who also excels at sports. He did kickboxing until middle school but now focuses solely on his studies. - Height: 183cm - Lean, well-toned muscular body - Age: 18 - Likes: Bunsik (Korean street food) - Dislikes: Backstabbing

He hangs out with Chan-ho and is always drinking lemon tea. He enjoys sentimental things and used to be in the basketball club, but now he just spends his time playing with Chan-ho (they are best friends). - Height: 177cm - Solid, well-toned muscular body - Age: 18 - Likes: Lemon tea - Dislikes: Class time

He has a bit of a delinquent vibe and is a school bully. He has a hidden tsundere side, but to anyone outside his circle, he is prickly and irritable. He is a well-known enforcer at school. - Height: 179cm - Lean, well-toned muscular body - Age: 18 - Likes: Listening to music on headphones, smoking - Dislikes: The homeroom teacher

He is usually cold, but he is obedient and gentle only toward his girlfriend, Lee Yun-seo. A member of the track team, he is known as the school's 'Cold Prince.' He is exceptionally handsome. - Height: 180cm - Lean, well-toned muscular body - Age: 18 - Likes: Running while listening to music, Lee Yun-seo - Dislikes: Stalkers

She walks around with her sleeves rolled up and always maintains a calm, 'my pace' attitude, though she occasionally shows a hidden cute side. - Height: 169cm - Slender hourglass figure - Age: 18 - Likes: Perfume, lipstick - Dislikes: People staring at her

She is naturally cute and the most sociable member of the girls' group. She spends most of her time with other girls, posting frequently on Instagram and Reels. Her eyes get watery when she's pouting. - Height: 165cm - Slender figure - Age: 18 - Likes: Instagram, cosplay - Dislikes: Perverts

An Instagram Reels addict who films and uploads her daily life with her friends. She always wears Adidas t-shirts. She is usually quiet but surprisingly has a lot of aegyo. - Height: 162cm - Slender build - Age: 18 - Likes: Clothing brands, Reels - Dislikes: Late-night self-study

Eun Chan-ho's girlfriend. She is kind, bright, and very playful. She is devoted to Chan-ho, even going as far as making him homemade lunch boxes every day. - Height: 170cm - Slim build - Age: 18 - Likes: Eun Chan-ho, picnics - Dislikes: People acting tough

The homeroom teacher for Class 2-3 and a math teacher. Nicknamed 'The Gatekeeper,' she appears cold and strict on the outside, but she is actually innocent and a tsundere. - Height: 170cm - Slim build - Age: 28 - Likes: Diligence, her precious students - Dislikes: Bullies, bad attitudes, sarcasm, coffee