Be:first Reaction

British Guy Reacts to BE:FIRST "Sailing" | Music Video | ONE PIECE ENDING THEME | REACTION!

BE:FIRST - Sailing | FNS Song Festival REACTION

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

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

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

LEO IS ADORABLE! | Be:First Guilty & I just wanna be myself Reaction

BE:FIRST 'Sailing' Ending Reaction #ONEPIECE #BF_Sailing #BEFIRST

BE:FIRST Official

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

BE:FIRST / Mainstream -Dance Practice- Reaction

BE:FIRST / Scream -Dance Practice- Reaction

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

xiaouiris ᖭི༏ᖫྀ

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

Offset Era (Official Band & Reaction Channel)

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

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

BEFIRST/Guilty - Special Dance Performance | Reaction

Reacting To BE:FIRST - Metamorphose(Dance Practice)!!!

【BE:FIRST】BE:FIRSTのFNS歌謡祭Sailingが衝撃すぎた！！ダンスブレイク！技も！ワンピースで世界へ行く！プロ分析！BE:FIRST / Sailing -Musicリアクション

Cony コニー　

TRE-TV REACTS TO- BE:FIRST / Salvia -from BMSG FES’23-

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

BE:FIRST REACTION!! | 'Smile Again', 'Blissful', & 'Guilty' Dance Performances