Kep1er (케플러) is a 9 member girl group formed through the Mnet survival competition show Girls Planet 999. The debuted in January 2022 with the extended play ‘First Impact’ and are planned to promote as a group for a period of 2 years and 6 months. Name of the group: Kep1er (케플러)Agency: Swing Entertainment / Wake One Entertainment Debut Date: January ...