Ascendance of a Bookworm Part 5 Novel Volume 12 was written by Miya Kazuki and illustrated by You Shiina.

Upon completing her large-scale spell, Rozemyne fell unconscious. Now, Ferdinand must bring her back from the brink of death—and, with any luck, restore her lost memories too. If she survives, she'll set out on a new journey, becoming Yurgenschmidt's first underage aub and ruling over the library city of Alexandria. And if she doesn't, her death will mean the worst for her loved ones and the country at large. “Let everyone… be blessed.” Don't miss the conclusion of this biblio-fantasy that refuses to let dreams remain dreams!