Cignature is the name of more than one artist: 1) k-pop 2) house vocalist 1) Cignature (시그니처) is a 7-member South Korean girl group under J9 Entertainment, a subsidiary of C9 Entertainment. The group consists of: Chaesol, Jeewon, Ye Ah, Sunn, Seline, Belle, and Semi. They debuted on February 4, 2020 with digital single "Nun Nu Nan Na".