Yeonseongui Gwibuin
"Now, shall I tell you? Who are you?"
Dan So-Yeon, the wife of the most handsome man in Yeonseong, Moon Yeo-Gong. There was a man who was after her, and he was the second son of the emperor, the enemy king, Ga-Ran.
They are helplessly caught up in a fatal temptation that they cannot escape...
(Source: Ridibooks, translated)