Girls' Generation's Sunny previously wowed fans with the release of her OST song for the new MBC drama 'The Queen's Classroom', and now you can listen to it all over again as well as learning more about the drama through the MV!

As mentioned before, the song is titled "Second Drawer" and serves as the theme song for child actress Ha Na (Kim Hyang Ki).

Sunny's vocals seem to go long perfectly with the ballad and its mature melody and the story depicted through the scenes shown out the MV, so check it out!