Satou, an ordinary male student, was unable to confess his love to his childhood friend, Hime, but one day she suddenly announces she's moving far away. Satou chases after Hime and follows her through a gate of light into another world known as Arnulus!

Satou and company continue their journey for the next ring. Hime becomes jealous of Satou taking care of Nephritis. Soon after, a large caravan appears before them which is the Land of Fire, Needakitta. They ask for an audience with the princess, but...

Satou and his friends head to Idanokan, the Land of Earth. However, having previously been destroyed in a battle with the Abyss King, the dwarves have abandoned the city. As the group searches for the Ring Princess that which they feared most occurs.

Satou and his friends return to Arnulus among countless corpses of imperial soldiers and monsters. Satou encounters the Abyss King in a hopeless situation. Using the Ring Princesses' power he challenges the Abyss King in a confrontation to save Arnulus!