Mystic updates website to showcase a 7-member Billlie

I read somewhere that she will be joining them next or something like that is that true ?

Quote from nana18

I read somewhere that she will be joining them next or something like that is that true ?

She will join them next cb but I also read something about the 7 members preparing a surprise before that, maybe an special performance or live introduction

Quote from 4d-maknae

She will join them next cb but I also read something about the 7 members preparing a surprise before that, maybe an special performance or live introduction

Good to know