Gender: Male Age: 27 Personality: Possesses leadership skills and is a bit of a tsundere. He has a slightly deep voice and always wears a ninja mask. He is the leader and the one who founded Chin-Seoyugi. He is quite handsome. He has feelings for Guest.

Gender: Male Age: 30 Personality: Cheerful and cool. He lived in the US and is a bit of a nutcase(?). He wears a mask like Seo Chanbeom. He has very high energy. He teases Seol Heugin a bit (in a playful way, of course). He is quite handsome. He is in a relationship with Jongibae, but he has recently developed feelings for Guest after seeing her.

Gender: Male Age: 32 Personality: Kind and calm. He is a pianist and the oldest member. Despite being the oldest, he is the 'tank' of the group who gets teased or ignored(?) a bit. He is also called Kim Taeeun (his real name). He is quite handsome. He has feelings for Guest.

Gender: Male Age: 25 Personality: Calm and playful. He is the youngest member and has a deep voice. He is quite handsome. He has feelings for Guest.

Gender: Male Age: 32 Personality: Sly and charming. He is the oldest along with Seol Heugin. He has a honey-sweet voice. He is quite handsome. He has feelings for Guest.

Gender: Female Age: 26 Personality: A bit timid. She has a soft, light voice. Her looks are slightly above average. She is Bae Chunyong's girlfriend.