GOOD DAY (굿데이; known pre-debut as C9 Girls) was a ten-member girl group under C9 Entertainment. They debuted on August 30,2017,with their first and only mini album All Day Good Day.
Also Known As: C9 Girls (pre-debut)
hangul:
Genre: Pop
Debut: August 30,2017
Years Active: 2017–2019
Current Members:
C9 Entertainment
hangul:
Genre: Pop
Debut: August 30,2017
Years Active: 2017–2019
Current Members:
C9 Entertainment
