MAMAMOO's Hwa Sa has opened an official YouTube channel!

In the introductory video above, Hwa Sa shows two sides of herself as she asks, "Hwa Sa or Maria?" You also get a preview of the MAMAMOO member enjoying an ocean vacation on a sail boat, with dolphins, and more.

As Hwa Sa officially turned 26 years old on July 23, fans are guessing she revealed the channel as a special surprise. 

Check out Hwa Sa's YouTube introduction video above, and let us know what you think in the comments below.