Befirst Reaction

(MJ?!)BE:FIRST / Guilty -Special Dance Performance-|REACTION

British Guy Reacts to BE:FIRST "Guilty" | Special Dance Performance | REACTION!

BE:FIRST REACTION!! | 'Smile Again' & 'Bye-Good-Bye' from The First Take

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

xiaouiris ᖭི༏ᖫྀ

BE:FIRST- "SOS" LIVE BMSG FES 23'|REACTION (FULL BMSG FES 23' IS ON MY PATERON!!)

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

Offset Era (Official Band & Reaction Channel)

BEFIRST/Guilty - Special Dance Performance | Reaction

GOATS!! BE:FIRST "Grow Up" ( LIVE in DOME 2024 “Mainstream – Masterplan”) REACTION

Insanian Reacts

Dad&Daughter REACTION: BABYMETAL - Doki Doki Morning Live 2021

Dashy&DadReacts

First Reaction to BE FIRST Masterplan (Japanese Pop)

Anthony Ray KPOP

BE:FIRST REACTION!! | BMSGFES '23 'Boom Boom Back' & 'Salvia' Stages

BE:FIRST - 'Mainstream' Dance Practice REACTION!!

Metal Vocalist First Time Reaction - BE:FIRST - Smile Again / THE FIRST TAKE

NO WAY!! BE:FIRST / Gifted. Orchestra ver. - REACTION

FloderFlo K-Pop

Metal Vocalist First Time Reaction - BE:FIRST / Mainstream -Music Video-

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

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

BE:FIRST x ATEEZ | Hush-Hush MV REACTION

New Chapter Reactions

BE:FIRST - Smile Again + BYE-GOOD-BYE/ THE FIRST TAKE|REACTION

British Guy Reacts to BE:FIRST "Grow Up" | LIVE in DOME 2024 | REACTION!