New original soundtracks has been released recently.
JYJ's Jaejoong sings for the drama, "Triangle."
Check out the other releases:
https://www.kpopstarz.com/articles/96245/20140620/k-drama-ost-roundup-jyj-jaejoong-releases-video-for-but-i-while-transfixtion-sings-one-way.htm