BTL impress with powerful vocals in MV teaser for 'Too-G'

BTL elevates awaiting fans' anticipation not only with their chocolate abs but with their powerful vocals from their latest MV teaser.

The boys dance in the dark setting with their powerful moves and formation. Their powerful and high notes are very impressive in this rock themed track.

Nine-member male group BTL are debuting on May 15. Meanwhile, watch below: