I'm looking for a really good Historical romance, preferably Korean.
My favourites are The Princess' man, MTES, Arang and the Magistrate, Gu family book, Sungkyunkwan and a few others I can't remember atm. 
My list

Thank you in advance. ^_^
Faith- This is a fantasy-sageuk
Hong Gil Dong- This is a fusion-sageuk; this also has my favorite couple from the list.
Gaksital- This is a sageuk taking place in the 30's
Highly recommending Empress Ki!