The Light Novel series began releasing in January 2014 and the Manga series in May 2014 under KADOKAWA Media Factory's MF imprint. Seven Seas Entertainment began publishing the Manga series in English in November 2015. The digital English Manga is available on KADOKAWA's official eBook store BookWalker.
Rudeus Greyrat is the main protagonist of the series, who is the reincarnated NEET loser who died, the twist is that his memories of his past life remained. His current body possessed high affinity for magic even as a child.