Forsena is a magical continent where a mysterious power called Mana emanates from the ground. Since ancient times, people have used this power to summon monsters from another world and use them in battle. However, not everyone is able to use this ability. Only a privileged few are born with this talent; they are called Rune Knights. You are to become the lord of one country, accompanied by some of the Rune Knights. It is up to you to save the continent of Forsena and return peace to the land.