BTOB's Changsub has dropped his music video teaser for "33".
The MV teaser reveals a rainy love story that survives time. "33" is a track from Changsub's upcoming first full album '1991', which drops on October 2 KST.
Watch Changsub's "33" MV teaser above, and let us know what you think in the comments below.
SEE ALSO: BTOB share their day in 'Please Stay' MV