Arifureta Zero/Light Novel

Arifureta: From Commonplace to World's Strongest Zero (ありふれた職業で世界最強　零) is a original Japanese  series written by Ryo Shirakome and illustrated by Takaya-Ki, and published by Overlap Bunko, Inc. It is the prequel to the main series.

The series has been licensed for English localization by for digital release, with  publishing them in print.