Satou, Hime, and the others gathered the five rings and challenged the Abyss King to a decisive battle. They drove the Abyss King to the brink of defeat, but Satou ran out of strength, leaving them in a desperate predicament. After being saved in the nick of time by Alabaster, the party decided to temporarily regroup. Just then, Hime’s younger sister, Morion, suddenly appears.

In order to face the Abyss King again, Satou and the Princesses decide to undergo training to build their strength and deepen their bonds… “Bridal Training.” Satou and Hime are tasked with various trials and grow even closer, while his relationships with Nefritis, Granart, Saphir, and Amber also progress. Can Satou and the others defeat the Abyss King this time and finally bring about peace?

“Bridal Training” with the fate of the world at stake! The otherworld newlywed fantasy begins again.