Mnet 'M Countdown' live broadcast pre-rehearsal was held at cj ENM Center in Sangam-dong, Mapo-gu, Seoul on the afternoon of November 15th.
IZ*ONE (IZ*Jang Won-young, Miyawaki Sakura, Cho Yuri, Choi Ye-na, Ahn Yu-jin, Yabuki Nako, Kwon Eun-bi, Kang Hye-won, Honda Hitomi, Kim Min-joo, Lee Chae-yeon) attended the ceremony.
About IZ*ONE
Iz*One was a South Korean–Japanese girl group formed through the Mnet reality competition show Produce 48. The group was composed of twelve members: Jang Won-young, Sakura Miyawaki, Jo Yu-ri, Choi Ye-na, An Yu-jin, Nako Yabuki, Kwon Eun-bi, Kang Hye-won, Hitomi Honda, Kim Chae-won, Kim Min-ju, and Lee Chae-yeon.
 Wikipedia