Although it's fall, Kam Woo Sung made it feel like spring is already here by singing for his MBC Wed-Thurs drama 'My Spring Day' OST!

SEE ALSO: Bang Si Hyuk's Instagram receives renewed attention following Min Hee Jin's latest press conference

The actor thanked fans for making 'My Spring Day' the #1 Wed-Thurs drama by lending his voice for Part 7 of the OST. "I Will" is a love song composed by Lee Yoo Jin and written by Han Joon, and expresses Kang Dong Ha (Kam Woo Sung)'s love for Lee Bom Yi (Girls' Generation's Sooyoung).

Warm your hearts with the song above!