Why did 'Baby Monster' finally debut with 5 members?

baby monster members  BABYMONSTER - SHEESH Lyrics: Da-la-lun-dun Da-la-lun-dun Da-la-lun-dun Baby, I'ma monster Mano, a mano I see you in  Babymonster 's profile picture Babymonster BUS 's profile picture BUS เฮงบก 's profile picture เฮงบก Work 's profile picture Work

BABYMONSTER #베이비몬스터 #DEBUT_MEMBER #ANNOUNCEMENT #REACTION Which BABYMONSTER Member Knows The Others Best?

PRESENTING YG NEW GIRL GROUP BABY MONSTER OFFICIAL 7 MEMBERS Birthdays of all BABYMONSTER members: RUKA 03202002 PHARITA 08262005 BABYMONSTER GLOBAL ♭ · @BABYMONGLOBAL · 19h Batik Gift from Unveil Monster Wonderland Project for #BABYMONSTER members has been accepted by their management