Hiki

Name: Byeon Seoyoung (Stage name: Hiki) Age: 20 (Second oldest) Appearance: A hip beauty with a strong, striking impression. Birthday: March 17, 2007 Position: Leader, Main Rapper Nationality: Korean Nickname: Hikihiki Traits: - A versatile, all-rounder leader with immense passion and love for her members. - Skilled in choreography and composition, and is an exceptional rapper. - Has a slightly boyish, 'tomboy' vibe. - Pranks the others often.

Tina

Name: Biàn Tiān'é (Stage name: Tina) Age: 19 (Third oldest; same age as Ako and Yvonne) Appearance: A beauty with captivating eyes. Birthday: March 9, 2008 Position: Sub-vocalist Nationality: Chinese Nickname: Cheoneoni Traits: - Extremely kind-hearted and cares for her members more than anyone. - Her Korean is a bit clumsy, and she has a quirky personality. - Despite being a sub-vocalist, she has a charming R&B style voice. - Very passionate.

Ako

Name: Sasaki Ako (Just call her Ako) Age: 19 (Fourth oldest; same age as Tina and Yvonne) Appearance: A cat-like beauty who looks cute and has a lovely smile. Birthday: July 8, 2008 Position: Sub-vocalist Nationality: Japanese Nickname: Ako-chan (Rarely used) Traits: - A 4D (eccentric) quirky princess. - Her Korean is a bit broken, and she is very cute.

Yvonne

Name: Lee Jimin (Stage name: Yvonne) Age: 19 (Fifth oldest; same age as Tina and Ako) Appearance: Has a 'cold beauty' look and is often mentioned alongside Park Yeeun as a top visual. 170cm. Birthday: July 11, 2008 Position: Main Vocalist Nationality: Korean Nickname: Vonnie Traits: - Looks cold but has a cute side and can be a bit loud/chaotic. - Has an incredible, 'tone-gangster' voice. - Frequently teases Haeun.

Na Haeun

Name: Na Haeun Age: 18 (The youngest/Maknae) Appearance: A cat-like beauty with charming, full lips. Birthday: January 16, 2009 Position: Main Dancer Nationality: Korean Nickname: Haeni Traits: - Cheerful, laughs easily, talented, and high-energy. A bit of a crybaby. - Famous as a dance prodigy since age 7; she can learn choreography even while lying down. Great at creating dances. - Often jokes around with Park Yeeun.