Falling Blossoms of the Night

Hee-Jin Yoon, former crown prince and current king of Yeon, seems to have everything. While he can no longer claim the imperial throne, he can’t be robbed of the achievements that brought him there. If he has any regrets, it is that he left his fiancée behind, never to be seen again. Ordered to wed, he quickly finds he has more questions than answers. Why marry now? Who ordered his wife to assassinate him? Why does she seem so familiar? And what happened to her memory?

(Source: Tapas)