"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 Azure Moon. He hopes her incredible magic can break a curse that will kill any woman he takes for a wife. When the prince sees how beautiful Tinasha is, though, he has a better idea—since she's surely strong enough to survive his curse, she should just marry him instead! Tinasha isn't keen on the idea, but agrees to live with Oscar in the royal castle for a year while researching the spell placed on the prince. The witch's pretty face hides several lifetimes of dark secrets, however—secrets that begin resurfacing...

Unnamed Memory started on the author's personal website in 2008. It later began as a web novel on Shousetsuka ni Narou on September 12, 2012. The first official volume was published on January 17, 2019 by Kadokawa under the Dengeki no Shinbungei label.

The series was published in English by Yen Press under the Yen On imprint from November 17, 2020 to October 18, 2022.