Playback is a South Korean girl group formed by Clear Company in 2015. They officially debuted on June 25, 2015. The group consist of Yunji, Hayoung, Yujin, Woolim and Eunjin.

Stage Name: Woolim / 우림
Real Name: Hwang Woo-lim / 황우림
Birthday: August 29, 1996
Birthplace: Busan, South Korea
Blood Type: O
Height: 167 cm
Weight: 48 kg
Position in group: Leader, Main Vocalist
Languages: Korean, English
Siblings: one older brother

Stage Name: Yunji / 윤지 (formerly: Yena)
Real Name: Lee Yun-ji / 이윤지
Birthday: April 4, 1992
Birthplace: Uijeongbu, Gyeonggi Province, South Korea
Blood Type: O
Height: 161 cm
Weight: 45 kg
Position in group: Lead Vocalist
Languages: Korean

Stage Name: Hayoung / 하영
Real Name: Lee Ha-young / 이하영
Nicknames: Aegyo Swag
Birthday: August 3, 1993
Birthplace: Wonju, Gangwon Province, South Korea
Blood Type: B
Height: 161 cm
Weight: 45 kg
Position in group: Main Rapper, Lead Dancer, Vocalist
Languages: Korean, English

Stage Name: Yujin / 유진 (formerly: Soyoon)
Real Name: So Yu-jin / 소유진
Birthday: June 18, 1994
Birthplace: Guri, Gyeonggi Province, South Korea
Blood Type: AB
Height: 165 cm
Weight: 47 kg
Position in group: Main Dancer, Vocalist, Visual
Languages: Korean
Education: Sungkyunkwan University (Acting and Arts major)

Stage Name: Eunjin / 은진
Real Name: Ma Eun-jin / 마은진
Birthday: May 23, 1997
Birthplace: Dangjin, South Chungcheong Province, South Korea
Blood Type: AB
Height: 164.7 cm
Weight: 49 kg
Position in group: Main Vocalist, Maknae
Languages: Korean