Yoon later transitioned to television dramas , with notable supporting roles in Heartless City ( 2013 ) , Discovery of Love ( 2014 ) .
Yoon later beating Again ( 2015 ) .
Yoon later transitioned to television dramas , with notable supporting roles in Heartless City ( 2013 ) , Discovery of Love ( 2014 ) , and Beating Again ( 2015 ) .