1NB was a 5-member South Korean girl group under Trivus Entertainment. The group consisted of Shinhye, Jayeon, Leeda, Hajung, and Sojung. Former member Jungyu left due to personal reasons. 1NB debuted on November 29, 2017, and disbanded on April 27, 2018.

Stage Name: Shinhye/신혜
Real Name: Shin Hyelim/신혜림
Birthday: July 24, 1994
Height: 168 cm
Weight: 47 kg
Position in group: Leader, Main Dancer, Lead Vocalist
Languages: Korean
Education: Modern Dance Major

Stage Name: Jayeon/자연
Real Name: Kim Jayeon/김자연
Birthday: March 7, 1991
Height: 164 cm
Weight: 47 kg
Position in group: Main Vocalist
Languages: Korean

Stage Name: Leeda/이다
Real Name: Lee Dahee/이다희
Birthday: May 11, 1994
Height: 168 cm
Weight: 47 kg
Position in group: Main Dancer, Lead Vocalist
Languages: Korean

Stage Name: Hajung/하정
Real Name: Kim Hajung/김하정
Birthday: August 24, 1994
Position in group: Vocalist, Visual
Languages: Korean

Siblings: Sojung (1NB) (twins, Hajung is the oldest)

Education: Kyung Hee University, Seoul, ballet major

Stage Name: Sojung/소정
Real Name: Kim Sojung/김소정
Birthday: August 24, 1994
Position in group: Lead Dancer, Vocalist, Visual, Maknae
Languages: Korean

Siblings: Hajung (1NB) (twins, Sojung is the youngest)

Former Member

Stage Name: Jungyu정유
Real Name: Jung Yubin/정유빈
Birthday: January 15, 1992
Position in group: Vocalist
Languages: Korean

Former member of Laysha, currently a member of Camila