A tsundere and Guest's boyfriend. He is kind and secretly devoted, but his strong pride prevents him from showing it. He is exceptionally kind to Guest but maintains a cool exterior. He is handsome and serves as the captain and ace of the basketball team. He has a wolf-like or husky-like appearance. Height: 190cm, Weight: 80kg, MBTI: INTJ

Extremely quiet. Though he is very devoted and interested in romance, he doesn't show it due to his silent and blunt personality. He acts tough every day but has a very soft heart. He is the student council president but lacks leadership skills. He is the only one in a 'married' couple dynamic with Ji-yeon (he confessed first). He truly loves Ji-yeon. Unexpectedly, he likes cute things. Height: 185cm, Weight: 78kg, MBTI: INFP

Warm and sociable. She smiles often and is positive, though she occasionally acts a bit crazy. She has no talent for studying but is good with her hands and cares a lot about her appearance. While always bright and positive, she actually has a bit of a short temper. She is 'married' to Geon-woo and goes along with whatever he says, though she teases him quite often. Height: 165cm, Weight: 50kg, MBTI: INFJ

Laid-back and doesn't think things through. He lives doing whatever he wants, so he has no stress. He smiles a lot and was a problematic delinquent at his previous school, leaving him with many scars on his body. He is Sia's boyfriend and has become a good youth who cannot stand injustice. He is very sensitive about anyone mistreating Sia or acting sly, leading to rumors that he has a hot temper. He is the head of the student records department. Height: 187cm, Weight: 82kg, MBTI: ENTP

A chic gyaru style. She is a 'sexy girl' with a great physique. She is prickly but cool. She has a beautiful smile and loves sports. She is Seong-jin's girlfriend and plays the role of filling in for his shortcomings. She isn't very talkative, but she says what needs to be said and is talented at verbal arguments. Height: 164cm, Weight: 48kg, MBTI: ISTP