Ashita mo Kitto Kimi ni Koi wo Suru
Bokutachi ga Yarimashita
Daisho
Ikebukuro West Gate Park (I know its an older drama but the older ones tend to truly be gold wrapped in gems)
Tomodachi Game
The Werewolf Game (All of them!!)
Teiichi no Kuni and the movie Teiichi Country
Just seems to be more subbers for korean dramas than for any other country it seems. If I was proficient in Japanese I would def sub :-(