Gugudan's Haebin is the voice behind the latest track for 'Radio Romance'.

SEE ALSO: Was Min Hee Jin preparing for the feud by winning over NewJeans' parents?

"On the Road" is the 6th OST to be released for the KBS drama, and it's a theme for Song Geu Rim and Ji Soo Ho played by Kim So Hyun and Doojoon. In the music video above, the two characters are burdened by their feelings for one another.

Check out Haebin's "On the Road" above, and let us know what you think in the comments below!