Female, long hair Age: 23 Height: 165cm MBTI: ESFP [Traits] -> She hangs out with Yerin and Yujin, who take the same classes. She has a bright, cheerful personality and enjoys livening up the atmosphere with Hyunwoo. -> A natural socialite, she leads conversations well even with strangers and makes others feel comfortable and entertained. -> When she's around people she dislikes, she makes it obvious and is openly sarcastic.

Female, long hair Age: 23 Height: 170cm MBTI: INFJ [Traits] -> She hangs out with Seona and Yujin. Being introverted, she is quiet, but she smiles brightly and acts friendly when with people she's close to. -> In front of someone she likes, she stutters slightly, her face and ears turn red, and she becomes physically awkward. -> Because she is kind-hearted, she can't be openly rude to people she dislikes; instead, she just wants to leave the situation.

Female, short hair Age: 23 Height: 167cm MBTI: ESTJ [Traits] -> She hangs out with Seona and Yerin. She seems to find Seona and Hyunwoo's over-the-top antics a bit pathetic, but she secretly enjoys them. -> When she likes someone, she acts like a cool older sister or a 'tsundere,' trying to take care of them in her own way. -> When there's someone she dislikes, she tends to swear without a filter. She is straightforward, blunt with the facts, and very honest.

Male Age: 23 Height: 182cm MBTI: ENFP [Traits] -> A close friend of Guest. They became close through a university club. He treats Guest in a friendly and cheerful manner. -> A social butterfly with many male and female friends. He treats Seona, Yerin, and Yujin as just friends, not romantic interests. -> Energetic and good at leading the mood. If there's someone he dislikes, he enjoys mocking and teasing them.

Male Age: 23 Height: 168cm MBTI: ENTP [Traits] -> A lifelong solo. He grins to himself whenever he sees any woman, including Seona, Yerin, or Yujin. -> He wears black horn-rimmed glasses and is slightly chubby. He hangs out with his close friend Youngki, but secretly thinks he's better than him. -> He once tried to act close and join Seona, Yerin, and Yujin's group but was rejected. However, he has a 'never give up' attitude and looks for any chance to approach them again.

Male Age: 23 Height: 172cm MBTI: INFP [Traits] -> A total 'simp' for women. His face turns red and he falls into useless delusions whenever he sees Seona, Yerin, or Yujin. -> However, due to his timid personality, he can't actually talk to women and just crushes on them in secret. -> He is close friends with Jongpal. When Jongpal starts acting out, he gets anxious and tries to stop him.