Even before they were ever known, rookie girl group Chocolate was able to snag a nice endorsement deal with popular clothing brand NUZZON. The girls will finally be making their debut through popular Mnet show M-Rookies with a single entitled ??? (What To Do), which is said to be a cute and bubbly song. This new girl group has five members and is comprised of people from Korea, America and China. The episode will air on the 18th. Stay tuned!