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

BE:FIRST / Guilty -Special Dance Performance- | K-Cord Girls Reaction

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

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

FIRST TIME REACTING TO BE:FIRST - 'Mainstream' | -Music Video-

I LOVE THEM!! | The Ultimate Guide to Ateez | 2023 | REACTION!

TXT (투모로우바이투게더) - "Over The Moon" MV Reaction + Album "Sanctuary" Reaction

FIRST TIME Watching BE:FIRST LIVE in DOME 2024 ”Mainstream-Masterplan” -Digest-

OMG!! BE:FIRST / Masterplan -Music Video & Dance Practice - REACTION

BE:FIRST / Blissful -Music Video- | K-Cord Girls Reaction

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

BE:FIRST / Boom Boom Back -Music Video- | K-Cord Girls Reaction

ATEEZ Mini Marathon | Reaction | LIVelyAntics

BE:FIRST REACTION!! | 'Boom Boom Back', 'Mainstream', & 'Masterplan' Dance Performances

BE:FIRSTを知らないただのマッチョが初めて【BE:FIRST-Bye-Good-Bye THE FIRST TAKE】を見たリアクション

This was a lot! 😅 My First Time EXO Killing Voice Reaction!

【感動】これは無理だ... 洗練された神曲が心に響く音楽的な理由とは？！BE:FIRST / Blissful -Music Video-【歌声分析】 Reaction

Singer Reacts to ATEEZ 에이티즈 "Killing Voice"

ATEEZ 'Ice On My Teeth' Official MV + BY. HONGJOONG #7 - Wonderwall | K-Cord Girls Reaction

Them Dance Moves!? 😯😏 | BE:FIRST / Boom Boom Back + Scream -Music Video- @BEFIRSTOfficial Reaction

BE:FIRST / Blissful -Music Video- REACTION