The Executioner And Her Way Of Life Vol. 3 (Light Novel)

In Vol. 3, still trying to complete her mission of killing Akari, Menou and the others set out to find the Sword of Salt, which is said to have the power to turn anything into salt and is sealed away in the far west of the Baral Desert. There, they meet Sahara, a nun with arms of steel who knows Menou and for some reason asks her to kill her! Meanwhile, in the uncharted eastern region, one of the Four Great Calamities, the Mechanical Society, begins to stir. In the middle of a hot, sandy desert, fates begin to intertwine!
Notice: This book is written in Japanese.