Adapted into anime and broadcasted in July 2019. An ordinary office worker,大野晶, is transported to another world while logged in as the "Demon Lord" in the game he operates. He embarks on a journey with a girl who has a prosthetic leg, but his overwhelming power as the "Demon Lord" attracts unwanted attention. Targeted by kingdoms and saints seeking to defeat him, their journey is filled with chaos. A fantasy story where the protagonist is a demon lord in appearance but an ordinary person at heart.