BTOB's Changsub has dropped a live music video for "33".

In the live MV, Changsub takes his performances to the beautiful green outdoors. "33" is the title song of his first full album '1991', and it's a love song about wondering what would've happened if you took the chance on someone.

Watch Changsub's "33" live MV above, previous MV here, and let us know what you think in the comments below.

SEE ALSO: MONSTA X members assemble to congratulate Minhyuk on his discharge from military service