The boy group unexpectedly released a new MV on March 31. Seventeen is known for having a powerful and cheery image, but they showed a new side of them with a slow ballad track.  

SEE ALSO: Seventeen members display awesome choreography in teaser for "MAESTRO"

The MV starts off with the members talking about ''Smile Flower' and their wish to try a ballad. 

Check out Seventeen's ''Smile Flower' in the MV above.