IU was featured again on allkpop today due to her appearance on KBS 2TV's 'Yoo Hee Yeol's Sketchbook', which had a Jeju Acoustic Festival (JAF) special on September 13.
Obviously the draw of many K-dramas is the romance, in particular, the romantic triangle--however, the main couple is not always quite the center of attention. There are cute side characters to keep things interesting, meaning side romances, as well!