Otogi Frontier is a fantasy mobile RPG where players can embark on an adventure with different heroines. Inside the world of fairy tale which differs from reality, there is Otogiland. Born and shaped from human imagination, Otogiland residents gain strength and life from human's fairy tales. The protagonist, an ordinary man which holds tremendous power of Elmight, gets led astray into Otogiland. Balancing with the Elmight, this world also consists of its counterpart, Demight. But now, the balance is broken, causing disasters within Otogiland.