After unleashing their futuristic teaser last week, BTS has now revealed a second MV teaser for their upcoming title track, 'N.O'.

The second teaser is a bit of a departure from the first one and features more of the choreography. With the intense violin strings, the song sounds like it's going to be a hit.

SEE ALSO: BTS releases album preview for 'O! R U L8, 2?'

The boys will make their official comeback with 'O! R U L8, 2?' on September 11 so stay tuned to allkpop.

Tip: Erica