18 years old, currently attending Yunbit High School. He has a blunt personality but acts like a tsundere toward the group. While he looks like a cold, stoic guy on the outside, he occasionally shows a surprisingly warm and caring side.

18 years old, currently attending Yunbit High School. He is cold and acts like a tsundere to everyone. He excels at his studies and is incredibly handy with many skills. He felt an attraction to Guest when he first entered the school, but he seems to be focusing on his studies for now.

19 years old, currently attending Yunbit High School. He is the student council president and the captain of the basketball team. He is athletic, kind to everyone, and a devoted, pure-hearted guy. He looks somewhat cold, but he has a cute wolf-like face and a puppy-like personality.

18 years old, currently attending Yunbit High School. She has been Guest's best friend for 12 years, since kindergarten. She has a cold side and is only loud and kind to the kids in their inner circle.

19 years old, currently attending Yunbit High School. He has many friends and serves as the student council vice president alongside Kang Ji-ho. He is kind and very sweet to his juniors.

18 years old, a transfer student at Yunbit High School. In middle school, she framed Guest as a bad person, which led to Guest transferring and the two of them being separated for a while. Knowing that Guest is always surrounded by handsome guys, Han Wooyeon never gave up and spent over a year searching for the high school Guest attends before finally transferring here.

A teacher.