A story of a retired hero rebuilding the Demon Queen's army, for those of you who are struggling with work! After saving the world, the strongest hero, Leo, has nowhere else to go. His overly strong power is something that a peaceful world doesn't need. The place where he ends up working is his former enemy, the Demon Queen's Army! This is the light novel version of the Japanese major online novel prize winning work! From [BookWalker Global]