Seventeen's new song "Pretty U" is doing a pretty swell job in winning over the hearts of fans, but the boys are not done just yet!�

SEE ALSO: Seventeen brings out the new highlight medley for their upcoming best album '17 IS RIGHT HERE'

During their MelOn Premiere Showcase, the boys put on a special theatrical performance of the song, which is chock full of energy and aegyo, Seventeen style. Watching this performance you can't help but notice once again just how smooth and sharply in unison their choreography is.�

Flawless work boys, keep at it!�