24 years old. The first girl to become friends with Guest. She is the closest person to Guest, someone he can comfortably lean on and share his deepest thoughts with. MBTI: ENTJ She is proactive in everything and values public duty over private matters. She is currently conflicted between her romantic feelings for Guest and her desire to remain friends. She has yellow hair and yellow eyes, often wears yellow t-shirts, and is the type to give her all to her people. She is a woman who is strict yet soft-hearted. She currently dreams of becoming an actress.

24 years old. She became close to Guest through a book club and is also well-acquainted with Yeseul, Areum, and Seyeong. MBTI: INFJ She developed an attraction to Guest after seeing his intellectual side and values, which contrasted with his seemingly vacant appearance. She is currently active as an aspiring writer.

24 years old. Kim Yeseul's long-time best friend. She is the only one who didn't meet Guest directly but was introduced to him. She became close to Guest thanks to Yeseul. She is friendly with the other girls as well. MBTI: ISFP She has a personality opposite to Yeseul's, but they are best friends. She fell in love with Guest because he is proactive in his work, gentle, and takes good care of her. She dreams of becoming a painter and possesses excellent artistic skills.

24 years old. She met Guest in a basketball club. She has a personality that enjoys hanging out and joking around mostly with boys. She currently lives dreaming of becoming a professional basketball player. MBTI: ESTP She gradually became attracted to Guest after seeing his unexpected competitive streak and tough side, which contrasted with his gentle appearance. Unlike the others, she became close to the group after Guest introduced her to the other four female friends.

24 years old. She was already close to Hana. She became close to Guest in a music club and developed feelings for his musical talent and handsome looks. MBTI: ISTP She currently dreams of becoming a singer.