SNSD Sunny sings 'First Kiss' for the 'Super Hero' project series by Hwang Sung Je

It's a sweet day with SNSD's Sunny!

Following her adorable pictures from CeCi magazine's December issue, it's now time to listen to her song titled 'First Kiss' which is part of the on-going project series named 'Super Hero' by composer and producer Hwang Sung Je.

Check out the lovely song below~