Traces of the Moon 

One would think Asina has it all as the daughter of Cromwall's archduke, but a serious case of the travel bug has her ditch her comfortable estate for the beautiful but deadly desert. Unfortunately, the first person she meets there happens to be Sihad Zain Behdad, the king of Cromwall's enemy nation, Pesian. First, he throws her in prison because he finds her suspicious. Then, he captures her when she breaks out and throws her in his harem! Can Asina hide her identity long enough to escape from the Sihad, or will she fall prey to the aloof king's unexpected charm? (Source: Tappytoon) Note: Includes six extra chapters.