Mnet M Countdown camera rehearsal was held at CJ E & M Center in Sangam-dong, Seoul on the afternoon of the 1st.
Girl group Weki Meki member Kim Do-yeon poses before rehearsal for M Countdown camera
About Weki Meki
Weki Meki is a South Korean girl group formed by Fantagio in 2017. The group consists of eight members: Suyeon, Elly, Yoojung, Doyeon, Sei, Lua, Rina, and Lucy.
 Wikipedia