An isekai manga about the weakest demon killer around!

Hiroto Domori is a seemingly weakling Irregular who doesn't have any magical or spiritual powers. But what most people don't know is that he just got back from the demon world and is the world's strongest demon killer. This "weak" demon killer goes up against an unrivaled enemy who attacks innocent people. The battle between lessers and the strongest!

Tasuro is the author of the The Lesser Irregular Returns From the Demon World original light novel series.

Yasuyuki Torikai is the manga artist of The Lesser Irregular Returns From the Demon World.

Karu is the illustrator of the The Lesser Irregular Returns From the Demon World original light novel series.