Hwa Sa has dropped her music video teaser for "NA".

In the MV teaser, Hwa Sa makes a dramatic entrance wherever she goes. "NA" is the title song of the MAMAMOO member's upcoming 2nd solo mini album 'O', which is due out on September 19 KST.

Watch Hwa Sa's "NA" MV teaser above, and let us know what you think in the comments below.

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