BTOB 비투비 Marathon | 'WOW', 'I'll Be Your Man', & 'The Song' Reaction!!

BTOB 비투비 | 'Be Together' Album Listen/Reaction!!! Part 1.

BTOB 비투비 | 'Wind And Wish' Album Listen/Reaction!!!

비투비 (BTOB) '노래 (The Song)' MV | REACTION & REVIEW

REACCION | REACTING 🔥 al EP 'HAPPY'😊 de JIN 진 | 'Running Wild', 'Heart on the Window' y más"

BTOB | 비투비 포유 (BTOB 4U) 'Show Your Love' MV & Dance Practice Reaction!!!

Musical Theatre Actress Reacts to BTOB Killing Voice | ISSIE REACTS!!

EXO Killing Voice Reaction! The Vocals Are Insane!

Director Reacts - BTOB - Killing Voice

BTOB | 'Beautiful Pain' MV + [After Teacher Falls Asleep Live] Performance Reaction!!!

Lee Changsub Of BTOB | 'Changsub (btob) Best Vocals Reaction!!!

BTOB 4U | 'INSIDE' Album Listen/Reaction!!!

BTOB - 'Killing Voice' LIVE | REACTION

BTOB (비투비) - BACK DOOR (From Stray Kids) on Kingdom - Vocal Coach & Professional Singer Reaction

celebrity or senior who is BTOB fan- 비투비 팬이 된 연예인이나 선배

BTOB | 'New Men' Album Listen/Reaction!!!

BTOB 비투비 - 킬링보이스 Killing Voice Reaction

BTOB | 'Helpful Guide To BTOB' Reaction!!!

BTOB | 'Complete' Album Listen/Reaction!!!

3 Idiots - MOVIE REACTION!!