OMG!! BE:FIRST / Mainstream -Music Video - REACTION

OMG!! BE:FIRST / Masterplan -Music Video - REACTION

BE:FIRST / Mainstream & Masterplan -Music Video- | K-Cord Girls Reaction

REACTION to BE:FIRST - 'Shining One' + 'Gifted' + 'Gifted' Orchestra Ver. + 'Grow up'

[#2024MAMA] G-DRAGON - Untitled (2014)+POWER+HOME SWEET HOME+BANG BANG BANG+FANTASTIC BABY

OUR FIRST TIME LISTENING TO J-POP!! | BE FIRST MAINSTREAM (日本語字幕付き)

BE:FIRST make me SCREAM ( MV + DANCE PRACTICE REACTION)

【BE:FIRST】もしかして彼らにできない表現ってない！？ プロダンサーと観る Guilty Special Dance Performance リアクション&解説動画【reaction】

DANCER REACTS TO BE:FIRST / Mainstream MUSIC VIDEO & DANCE PRACTICE

BE:FIRST / Gifted. -Music Video- & -Orchestra ver.- REACTION & REVIEW | DG REACTS

BE:FIRST / Mainstream -Music Video- REACTION!!!!

SURPRISED ME!! BE:FIRST / Boom Boom Back Music Video - REACTION

REACTION to BE:FIRST - 'Salvia' + 'Move On' + 'Bye-Good-Bye'

BE:FIRST - Boom Boom Back + Smile Again + Mainstream + MasterPlan Music Video (Reaction)

【ダンサーの反応】BE:FIRST - Guilty Special Dance Performance 「ビーファがまじで最近覚醒している件www」

Music lover reacts to BE:FIRST - Bye-Good-Bye / THE FIRST TAKE

BE:FIRST X ATEEZ - Hush-Hush (РЕАКЦИЯ)

BMSG MV REACTION!! | International BESTY's react to BMSG SKY, MARINE, & GAIA 2024 MVs

BE;FIRSTを全く知らない男達がMainStreamを見てみた結果WWWWWWW

【圧巻】え、ここまで歌上手いの？！BE:FIRST "Guilty" TV初披露がとんでもないことになっていたのでボイストレーナーが徹底的に解説します【歌声分析】（Venue101）

BE:FIRST / Scream + Betrayal Game -Music Video- | K-Cord Girls Reaction