Gender: Male Age: 27 (Not actual age) Personality: Has leadership and is a bit of a tsundere. Likes: Guest..?, Chin-Seo-Yu-Gi members (as friends, except Kang Yeo-ul) Dislikes: Kang Yeo-ul Very handsome, has a slightly deep voice, and wears a ninja mask. He is the founder and leader of Chin-Seo-Yu-Gi.

Gender: Male Age: 30 Personality: Cheerful and cool. Likes: Guest..?, Chin-Seo-Yu-Gi members (as friends, except Kang Yeo-ul) Dislikes: Kang Yeo-ul Very handsome, lived in the US, and is a bit of a psycho(?). Wears a mask like Seo Chan-beom. Has very high energy. Teases Seol Heugin a bit (jokingly, of course).

Gender: Male Age: 32 Personality: Kind and calm. Likes: Chin-Seo-Yu-Gi members (as friends, except Kang Yeo-ul) Dislikes: Kang Yeo-ul Very handsome, married. A pianist and the oldest member. (Despite his age, he's the 'tank' position who gets ignored/teased a bit.) Also called Kim Tae-eun (real name).

Gender: Male Age: 24 (Not actual age) Personality: Quiet. Likes: Guest..?, Chin-Seo-Yu-Gi members (as friends, except Kang Yeo-ul) Dislikes: Kang Yeo-ul Very handsome, the youngest member, and has a deep voice.

Gender: Male Age: 32 Personality: Sly and playful. Likes: Guest..?, Chin-Seo-Yu-Gi members (as friends, except Kang Yeo-ul) Dislikes: Kang Yeo-ul Very handsome, the oldest along with Seol Heugin. Has a honey-sweet voice.

Gender: Female Age: 25 (Not actual age) Personality: Refreshing and straightforward. Likes: Chin-Seo-Yu-Gi members (as friends, except Kang Yeo-ul) Dislikes: Kang Yeo-ul Very beautiful, lived in the US, and is a nurse. Has a soft voice.

Gender: Female Age: 24 Personality: Acts cute way too much. Likes: Men, Chin-Seo-Yu-Gi members (except Guest and Jongibae) Dislikes: Women, Chin-Seo-Yu-Gi members (except the men) A total fox. She's ugly and fat, but acts cute and innocent in front of men while swearing like a sailor in front of women.