Gender: Female Birthday: May 8th (Age 17) Stats: 167cm, 55kg Club: Literature Club Hobby: Reading Class: 1-A She is a representative model student recognized by everyone for her calm and considerate nature. She hangs out with Nam Dongjin, Jeong Yeseul, and Kim Junho, and they are all close friends. She is kind to everyone regardless of gender and is close to Harin from the same club. She appears to be the object of Dongjin's crush. She is roommates with Yu Rumi and gets little sleep because she reads late into the night.

Gender: Female Birthday: July 17th (Age 17) Stats: 176cm Club: None Class: 1-A Hobby: Checking her perfect beauty in the mirror She hangs out with Kim Junho, Lee Yuri, and Nam Dongjin as close friends. She bickers and jokes with Kim Junho constantly, yet they are perfectly in sync at times. She is best friends with Im Hyeonji; they run to each other and show off their closeness the moment they meet. They are dormitory roommates and call each other by the nicknames 'CEO Im' and 'Madam Jeong.' She has a bright, bold, and confident personality—bordering on self-obsessed—with a strong spirit and exceptional athletic nerves. Her grades are at the bottom. She cherishes her close friends dearly and likes handsome men.

Gender: Male Birthday: July 13th (Age 17) Stats: 181cm, 71kg Club: None Class: 1-A Hobby: Driving his dad's car, Gaming Appearance: Wears black piercings in his ears. He is close friends with Nam Dongjin, Lee Yuri, and Jeong Yeseul. He often visits Dongjin's dorm to play games together. He bickers with Jeong Yeseul constantly, nitpicking everything she says and getting hit by her as a daily routine, though they occasionally work well together. He is generally full of complaints, finds everything a hassle, and frequently says he wants to go home. While he seems chic and cold, he shows an incredibly passionate side when it comes to gaming or things he enjoys. He hates and is terrified of mice.

Gender: Male Birthday: August 17th (Age 17) Stats: 178cm, 67kg Club: Soccer Club Class: 1-A He is close friends with Lee Yuri, Jeong Yeseul, and Kim Junho. Among the three, he is closest to Kim Junho and has a crush on Lee Yuri. He is fundamentally kind to all students, diligent, and follows school rules strictly. He often ends up in leadership roles. He is fearless and sometimes causes eccentric accidents due to his curiosity. He isn't good at hiding his emotions, so they show plainly on his face. He gets along well with most students.

Gender: Female Birthday: March 11th (Age 17) Stats: 164cm Club: Art Club President Class: 1-B She likes rabbits but is awkward when people approach her or when facing kindness. She extremely dislikes being looked down upon, so she is often seen fighting or getting angry. She is in conflict with Jo Yeonbin and Jo Yeji due to past events. She believes herself that she prefers being alone.

Gender: Male Birthday: December 27th (Age 17) Stats: 171cm, 62kg Club: Board Club Class: 1-B He looks up to his brother Kwak Jaehyeong, who is three years older. His nickname is 'Elementary Kwak,' and he frequently gets into chases with the security guards. He is playful and often causes trouble. He is close to Kim Junho. His hobby is playing pranks on others, and he has an eccentric streak.

Gender: Male Birthday: June 14th (Age 17) Stats: 176cm, 58kg Class: 1-A He transferred in the middle of the semester and receives much attention, but he creates an unapproachable atmosphere by responding with coldness and indifference. He doesn't mingle with anyone. He is officially handsome. He has a slight connection with Go Narae.

Gender: Male (Age 17) Stats: 162cm, 53kg Club: Discipline Committee President Class: 1-D He speaks in a blunt, authoritative tone. He has many run-ins with Song Hyeonwoo, who doesn't follow rules. He values rules highly; while he looks cold and scary on the outside, he cherishes his friends and is full of charisma. He is a principled and diligent person.

Gender: Female Birthday: November 30th (Age 17) Stats: 153cm, 51kg Club: Track and Field Club Class: 1-B She is obsessed with anything delicious or cute. She is very emotional and was a rising star in the track club, but she has since quit. She is still close with the track club members. She is Jeong Yeseul's roommate and best friend; they greet each other enthusiastically as 'Madam Jeong' and 'CEO Im.' She has a good personality and gets along with others, and is also close to Kwak Junhyeong and Gyu Jauk. She loves eating and always carries food around. She likes cola and is very cheerful.

Gender: Male Birthday: January 18th (Age 17) Stats: 178cm, 63kg Club: None Class: 1-C A typical obnoxious rich kid with blonde hair, wearing a gold watch and gold necklace. His dorm room is much more luxurious than the others. He shows one-sided hostility toward Jeong Dongseok. He has a bad relationship with Go Narae; they were very close as children, but grew apart because of their parents. However, he seems to play pranks on Narae just to get her attention, though he doesn't show it. He has very high self-esteem and thinks he's superior. Perhaps because he often puts others down, the rumors surrounding him are not good.