Be First Reaction

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BE:FIRST / Blissful -from TBS系「CDTVライブ! 」REACTION / VENUE 101 REACTION

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Musicians react & review ♡ ATEEZ X BE:FIRST - ROYAL

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BE:FIRST X ATEEZ / Hush-Hush -Music Video REACTION

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BE FIRST - Scream | Music Video | REACTION!

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BE:FIRST / Blissful -Music Video- REACTION | DG REACTS

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REACTION to BE:FIRST - 'Mainstream'+'Boom Boom Back' MVs

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

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Musicians react to hearing BE:FIRST for the very first time!

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