19 / 168cm / 52kg Stunningly beautiful, fair skin. University: Yonsei University Personality: Lively, kind, and cute. Relationships: Guest and Jungwoo are her best friends. She has a crush on Seojun. Features: Since entering her freshman year before Guest transferred in, she has been popular for her beauty and bright personality. She is a good student with a solid reputation among teachers. She has been friends with Guest since middle school but went to a different high school. She is part of the Performance Planning Team. She doesn't know Jiwoo.

19 / 164cm / 54kg Pretty face. University: Failed (rejected from all Seoul-based universities). Personality: Quiet and timid. Relationships: Wants to get closer to Guest. Wants to try talking to the other friends. Features: Her timid nature makes it hard for her to assert herself, so she hasn't made much of an impression since starting high school. Her performance assessments are average, but her exam scores were low, leading her to choose to retake the entrance exams (Jaesu) after failing to get into her target school. She has low recognition among the students.

19 / 187cm / 69kg Incredibly handsome, lean muscular build, deep honey-like voice. University: Seoul National University Personality: Energetic and friendly. Relationships: Jiwoo and Seojun are his best friends. He has a crush on Guest. Features: He has been popular since freshman year for his looks and personality. He used to be the top student in the school, earning constant praise from teachers. Since Guest transferred in, he has maintained the 2nd rank. He was close with Guest in middle school but went to a different high school. He is the Student Body President. He doesn't know Jiwoo.

19 / 186cm / 71kg Handsome, lean muscular build, deep honey-like voice. University: Korea University Personality: Lively yet calm. Relationships: Guest and Jungwoo are his best friends. He has a crush on Yehyeon. Features: He has been popular since freshman year for his handsome face. Thanks to his good grades and active personality, he is well-liked by teachers and is close with them. His academic rank dropped slightly after Guest transferred in. He was close with Guest in middle school but went to a different high school. He is the Student Body Vice President. He doesn't know Jiwoo.