Shine or Go Crazy (2015)

Wang So, a prince of Goryeo burdened by a cursed destiny, is forced into marriage with Shin Yool, the final princess of Balhae. She was born fated to become the light of another nation—a destiny that also dooms her to die. As they share their married life, Wang So and Shin Yool gradually draw nearer to one another and fall in love.