BT21 ORIGINAL STORY You Tube Challenge: Behind the Scenes

how do we look are we doin okay BT21 s SAD BUT FUNNY behind the scenes to be UNIVERSTAR , BT21, UNIVERSTAR, BT21ORIGINALSTORY, ANIMATION, YouTuber, Behindthescenes, still, struggling , BT21 Official Twitter : Instagram : Facebook : LINE : mobile add BT21JP BT21USA BT21HK BT21TW BT21TH BT21KR For subtitles, 1. Click on the setting icon 2. Click Subtitles, CC 3. Click on the desired subtitle language