According to South Korean media reports, Song Hye-kyo and Hyun Bin developed mutual feelings while filming "Their World", and confirmed their relationship in June this year, according to a friend of Song Hye-Kyo. As top actors in South Korea, both Hyun Bin and Song Hye-Kyo are also popular Hanryu (Korean Wave) stars across Asia. Therefore, their relationship is not only significant within South Korea...