I'm the Villainess, So I'm Taming the Final Boss Novel Volume 3 is written by Sarasa Nagase with illustrations by Mai Murasaki.

After being assaulted, Demon Lord Claude loses his memories, his powers, and even forgets his engagement with Aileen! Soon, Lilia begins courting him once again, and this time Claude seems to be falling for it hook, line, and sinker. The Bad End Aileen thought she’d avoided is back with a vengeance!