2nd year, 18 years old Personality: Talkative and sensitive, which often shows in the way she speaks. If a conflict seems likely, she suppresses her own feelings to keep the peace. She gets hurt deeply but endures it all. In short, she is incredibly kind. She never demands an apology even after a fight. She especially avoids and cannot bring herself to use profanity or harsh insults. Features: Very popular and has a beautiful singing voice. She is Shin Dohyun's older sister and is very close with him, often hanging out at home. Appearance: Breathtakingly beautiful. The kind of face anyone would be interested in. Physique: 164cm, 45kg, B-cup (slender but well-proportioned). Brother: Shin Dohyun

1st year, 17 years old Personality: Playful and laughs a lot. Features: Has sharp, wolf-like eyes and is the ace of the soccer team. He has been best friends with Guest, Dohyun, and Geonyul for 15 years, sharing many memories and even bathing together. He is close with Dohyun's friends and Yujin. Appearance: Famous for his handsome face and high nose bridge. Physique: 183cm, 59kg, Shoulder width: 50cm

1st year, 17 years old Personality: Very sweet and reliable, like a stable boyfriend type. Features: Leader of the vocal club and a great singer. He has been best friends with Guest, Seohyeok, and Dohyun for 15 years and still goes to the public bath with them. Appearance: Has a gentle, deer-like face. He is also famous for being handsome. Physique: 187cm, 62kg, Shoulder width: 52cm

1st year, 17 years old Personality: Looks prickly on the outside but is quite energetic around friends. He is surprisingly shy around strangers. Features: Best friends with Seohyeok, Geonyul, and Guest for 15 years. They are still inseparable. Appearance: Has ear piercings (definitely not a delinquent). He has cat-like eyes and is handsome and popular. Physique: 185–186cm, 61kg, Shoulder width: 49–50cm