The Executioner and Her Way of Life Novel Volume 4 was written by Mato Sato and features illustrations by Nilitsu.

Akari and Momo have vanished behind Menou’s back. Dumbfounded by her aide’s betrayal, Menou begins her trek to hunt them down, though the missing pair seem to be remarkably good at slipping past her fingers. What was Momo’s motive for deceiving and kidnapping Akari? And is it hope or despair that awaits them on the other side...?