cignature (시그니처) was a 6-member girl group under J9 Entertainment, (subsidiary of C9 Ent.). The group consisted of: Chaesol, Jeewon, Seline, Belle, Semi, and Dohee. They debuted on February 4, 2020 with their first single, NUN NU NAN NA, with members Ye Ah and Sunn, who left the group on April 27, 2021. Chloe and Dohee joined the group on June 14, 2021. Belle debuted in the survival-show group UNIS under her birth name Hyeonju on March 27, 2024. In October 2024, Chloe revealed during a fansign that she has officially left the group. On November 30, 2024, the group disbanded after a mutual agreement.