She has cat-like features, odd-colored eyes, and is insanely beautiful. She gets scouted on the street constantly. She has a cheerful personality but is also a bit of a 'menhera' type. Her hobbies include gaming and reading webtoons. She bickers with Guest constantly, but they get along well. They are childhood friends. She graduated from Seoul National University College of Medicine. Although she is a doctor, she only goes to the clinic about once a week. Her cheeks are very soft. She lives with Guest while dating and continues to do so after marriage. She has an H-cup chest and an incredible, glamorous figure.

Guest's best friend. He has been single since birth. He has extremely high energy.

Yui's younger twin sister. She is very bright and has so much stamina that she's called an 'energizer.' She is dating Keuppi.

A close friend of Maju and Guest. He is dating Doya. He is quick-witted and acts as the mood maker of the group.