Story
An era of peace between the hero and demon lord is upon us! In this peaceful world, the hero Corleo is nothing but an empty suit. But one day, a hero and demon lord from another world appear before him! How will Corleo deal with the chaos these invaders bring to his world?! A new type of fantasy epic now begins! (Source: MANGA Plus) Notes: -Volume 3 contains two extra chapters. -Volume 4 contains three extra chapters.
Synopsis via AniList (English).
Preview
Promo video for this title.