Unnamed Memory, Vol. 1 (light novel): The Witch of the Azure Moon and the Cursed Prince — Kuji Furumiya

“My wish as champion is for you to descend the tower and be my wife.”Climbing a deadly tower, Oscar seeks the power of its master, the Witch of the AzureMoon. He hopes her incredible magic can break a curse that will kill any woman hetakes for a wife. When the prince sees how beautiful Tinasha is, though, he has a betteridea -- since she's surely strong enough to survive his curse, she should just marryhim instead! Tinasha isn't keen on the idea, but agrees to live with Oscar in the royalcastle for a year while researching the spell placed on the prince. The witch's prettyface hides several lifetimes of dark secrets, however -- secrets that begin resurfacing…