Rakuten Viki is Celebrating Its 4th Annual K-Drama Day with 10 Free-to-Watch K-Dramas: For Korean drama fans and newbies. Rakuten Viki invites you to celebrate their fourth annual K-Drama Day with a lineup of 10 K-dramas to watch for free.… #KDrama #RakutenViki #KDramaDay #FreeKDrama #KoreanDrama