[C.C.] Is CHANGSUB finally getting married?!

[C.C.] BTOB's lead vocalist CHANGSUB teaching how to sing well #BTOB #CHANGSUB

Eunkwang "Hyunsik, you are so romantic♥" [Hyena On the Keyboard/ 2018.04.25]

[Sub] 비글특집🐶 비글돌과 비글이 만나면 생기는 일⁉️

[SUB] CHANGSUB's vocal health in jeopardy! What does he do to distract himself? #BTOB #LEECHANGSUB

[EN] 연예인과 일하는 학과 [성균관대 미디어커뮤니케이션학과] | 전과자 ep.21

[Sub] Military Buddies to Besties? - KEY & CHANGSUB's Playful Friendship! #KEY #LEECHANGSUB

Мы бы и не подумали! Самые неожиданные актёры, которым, возможно, совсем не нравятся девушки

BTOB crazy raw voice - 비투비 뛰어난 가창력

[C.C.] CHANGSUB planning a perfect home of his taste #BTOB #CHANGSUB

[C.C.] CHANGSUB's new house revealed for Guri, by Guri, filled with Guri #BTOB #CHANGSUB

"When I'm Holding You" by Hyunsik of BTOB [Hyena On the Keyboard/ 2018.04.25]

LEE CHANGSUB's response when he forgot lyrics during a musical 😅😅

Don’t Put Key and Changsub in The Same Room | kibum's military come back

[Sub] 드디어 만난 초딩라인✌🏻 전과자 집들이 간 막뎨

[SUB] 데뷔 13년차 I 모먼트의 아이돌 비투비 | 재친구 Ep.51 | 비투비 김재중

[Socializing CAMP] Changsub Can't Stop Laughing After Hani's Startled Look 20170505

I'm Lee Changsub playing the role of Hong Gyehun (Boss in the Mirror) | KBS WORLD TV 210408

[Sub] They're the Ultimate Introverts from ⟪I Live Alone⟫: Cute & Shy Moments! #NCT #DOYOUNG #BTOB

[EN] 서울대생이 수강신청하는 법 (feat.샤이니 키) [서울대 방송동아리]ㅣ전과자 ep.12

Suddenly singing in a pub (ft. Lee Chang Sub) [BOO!] | JAYKEEOUT