BE:FIRST REACTION!! | 'Smile Again' & 'Bye-Good-Bye' from The First Take
58:33
BE:FIRST REACTION!! | 'Boom Boom Back', 'Mainstream', & 'Masterplan' Dance Practices
35:11
[CC] Junon oshi loses her marbles | International BESTY react to REIKO ft. JUNON - 'First Christmas'
9:28
Metal Vocalist First Time Reaction - BE:FIRST - Smile Again / THE FIRST TAKE
59:19
[CC] BE:FIRST REACTION! | International BESTY react to 'Sailing' MV, dance performance, & practice!
30:40
(MAZZEL MAR PT .2) WATERFALL, COUNTERATTACK, SEASIDE STORY, & MAZQUERADE|REACTION
22:25
SNACK SPECIAL EP. 7 | 1VERSE Try GERMAN Snacks For The First Time!
11:15
First Time Hearing BE:FIRST "Bye-Good-Bye" | THE FIRST TAKE | REACTION!
31:16