BT21 UNIVERSE 3 ANIMATION - KOYA and the ’E-mail’

“ ATTENTION BT21 “ ​ A mysterious email arrives, signalling the rise of the archrivals. Looks like a case for KOYA...! 👀 #BT21 #BT21_UNIVERSE #KOYA #andtheEMAIL #Season3 #ANIMATION #EP05 ❗️#BT21 Official ​Twitter : Instagram : Facebook : LINE : mobile📱 add @BT21_JP @BT21_USA @BT21_HK @BT21_TW @BT21_TH @BT21_KR ❗️For subtitles, 1. Click on the setting icon 2. Click ’Subtitles/CC’ 3. Click on the