On August 17th, H Line Entertainment's rookie girl group, Chocolate, revealed a teaser for their debut single What to Do. The following day, the girls made their debut performance on Mnet's M Rookies. Now, the girls have officially released their single for What to Do and the MV has been released. The MV features a male model that has somewhat of a resemblance to superstar Rain / Bi. Thanks to kyulee for the tip and check out the MV below.