"Thank you for the number one." WJSN Dayoung takes Mnet 'M Countdowndown' trophy Celebratory photo has released the book.
Dayoung posted a picture on his instagram on the afternoon of June 18 with an article entitled "Thank you for the first place".
The photo shows Dayoung smiling brightly with a trophy, a light blue costume that looks just as good as it looks.
About WJSN
WJSN, also known as Cosmic Girls, is a South Korean-Chinese girl group formed by Starship Entertainment and Yuehua Entertainment. The group debuted on February 25, 2016, with the extended play Would You Like? and with twelve members: Seola, Xuanyi, Bona, Exy, Soobin, Luda, Dawon, Eunseo, Cheng Xiao, Meiqi, Yeoreum and Dayoung. In July 2016, WJSN added a thirteenth member, Yeonjung, to the group.
 Wikipedia