Girls' Generation's Sunny showcased her smooth vocals for the new MBCdrama 'The Queen's Classroom' OST!

SM Entertainment revealed, "Sunny released her track, "Second Drawer", for 'The Queen's Classroom' OST. This song is the theme song for child actress Ha Na [Kim Hyang Ki]."

"Second Drawer" is a ballad with a mature melody line, fitting perfectly with Sunny's voice.

So without further ado, listen to Sunny's beautiful voice in "Second Drawer"!