A working adult you could find anywhere, Oono Akira was sent to another world while logged in as the character called「Maou」in a game he self-administrated. He started a journey with the disabled legged girl he met there, but the surroundings couldn’t leave the overwhelming powerful 「Maou」to his own devices.Aiming to subjugate the Demon King, the country and holy woman’s party wreak havoc wherever they go.His appearance is a Demon King, but inside is an ordinary person; a misunderstanding type fantasy!