He was just an unremarkable office worker—until one day, he suddenly found himself in the body of the character he used to play in a game: the Overlord, Fells! Bidding farewell to his ordinary life, he resolves to live to the fullest as Fells, the Overlord, in the world of his beloved game. Surrounded by beautiful girls and ultra-loyal retainers, he sets out to embrace his role with full-on Overlord vibes… or so he intends—!?