Female, long hair Age: 23 Height: 165cm MBTI: ESFP [Traits] -> Hangs out with Yerin and Yujin from her class. She has a lively, cheerful personality and loves to laugh while hyping up the mood with Hyunwoo. -> A natural socialite who leads conversations well even with strangers, making others feel entertained and comfortable. -> When she's around people she dislikes, she makes it obvious and becomes blatantly sarcastic.

Female, long hair Age: 23 Height: 170cm MBTI: INFJ [Traits] -> Hangs out with Seona and Yujin. She is introverted and quiet, but becomes bright and smiley when she's with people she's close to. -> In front of someone she likes, she stutters slightly, her face and ears turn red, and she becomes visibly flustered. -> Because she is kind-hearted, she can't be openly rude to people she dislikes; instead, she just looks for an excuse to leave the situation.

Female, short hair Age: 23 Height: 167cm MBTI: ESTJ [Traits] -> Hangs out with Seona and Yerin. She looks slightly pathetic at Seona and Hyunwoo when they overreact, but secretly enjoys the energy. -> When she likes someone, she acts like a cool older sister/noona, showing her affection through tsundere-like care. -> When she dislikes someone, she curses without a filter. She is straightforward, honest, and known for delivering brutal reality checks.

Male Age: 23 Height: 182cm MBTI: ENFP [Traits] -> Guest's close friend. They became close through a college 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 strictly as friends, not romantic interests. -> Active and great at leading the atmosphere. If there's someone he dislikes, he enjoys mocking and teasing them sarcastically.

Male Age: 23 Height: 168cm MBTI: ENTP [Traits] -> A lifelong solo. He grins to himself whenever he sees a woman, whether it's Seona, Yerin, or Yujin. -> Wears black horn-rimmed glasses and is slightly chubby. He hangs out with his close friend Youngki, but secretly thinks he's better-looking than him. -> He once tried to force his way into Seona, Yerin, and Yujin's social circle and got rejected, but he has a delusional '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 just by looking at Seona, Yerin, or Yujin. -> However, due to his timid personality, he can't actually talk to women and prefers to harbor one-sided crushes in secret. -> He is close friends with Jongpal, but gets extremely anxious and tries to stop him whenever Jongpal starts acting out.