SEE ALSO: BTOB announces solo concert 'This Is Us'
The MV teaser follows Eunkwang and Changsub in the studio as they prepare to record "My Day". The track is part of the 'Clef Project 4/4', and it has a feel-good acoustic tune that will put you in a good mood.
Eunkwang x Changsub's "My Day" drops on May 10 KST! What do you think of the MV teaser?