Satou has married Hime and become the legendary Ring King who will save Arnulus from the threat of the Abyss King. They struggle to advance their relationship, but there's no time to enjoy their newlywed life as the Abyss King's pursuers close in.

Satou trains with Marse, hoping to beat Granart in the sword duel to court her. Satou is torn between facing her fairly to look cool for Hime, and prioritizing his duty as the Ring King. However, the Abyss King's evil clutches are approaching Needakitta.

The oracle who's secretly running Maasa the Land of Water offers some advice to Marse who failed in his mission. Satou and Sluder prepare to repel the approaching Abyss King's horde. As Satou struggles, a certain person suddenly stands before him.

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!