Get ready for return of hot rookie girl group Switch!

They just dropped the MV teaser for "fiEsTaLocA," which sounds like an exciting summer song with the hot use of dubstep matched with an awesome dance break. �The girls are sexy as they twerk, body roll, and more.�

SEE ALSO: "It's a bit cruel," TripleS's Xinyu reveals that the 24 group members are arranged in the order of photo card sales in the group photos