BE:FIRST 'MASTERPLAN' MV | REACTION

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

XG 'WOKE UP' MV | REACTION

1ST EVER REACTION TO BE:FIRST!! MVs + LIVE PERFORMANCES | REACTION

BE:FIRST / Mainstream & Masterplan -Music Video- | REACTION

Cravity My Turn and Adrenaline Reaction

BE:FIRST x ATEEZ | Hush-Hush MV REACTION

JIMMY + WEESA FROM PSYCHIC FEVER 'PERFECT' MV | REACTION

Choreographer Reacts to BE:FIRST - MASTERPLAN (DANCE PRACTICE) First Time Reaction!

YESSSS!! THIS IS WHAT WE NEEDED!! Reacting to TREASURE - 'KING KONG' M/V | Ams & Ev React

BE:FIRST / Gifted. -Orchestra ver.-|REACTION

ECLYPSE DEBUT!! 'MASCOT' MV + 'SHAKE IT DOWN' (EXPLICIT) MV | REACTION

BE:FIRST | MasterPlan -MV | Reaction

1ST REACTION TO BUS 'WATCH YOUR STEP' + 'BECAUSE OF YOU, I SHINE' + 'FEELING BAB WA OOH!' | REACTION

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

First Reaction to BE FIRST Masterplan (Japanese Pop)

PSYCHIC FEVER - Just Like Dat feat. JP THE WAVY / THE FIRST TAKE | Reaction

FIRST LISTEN! | BE:FIRST - Masterplan | Official Music Video and Dance Performance Video Reaction!

FIRST TIME REACTING TO 빅마마(Big Mama)의! - BIG MAMA KILLING VOICE - BIG MAMA REACTION #killingvoice

He Could Not Believe This! | BE:FIRST / Masterplan

1ST EVER REACTION TO LYKN! 'CHARM' MV + 'NO WORRIES' MV + 'UMM UMM' MV | REACTION