High schooler Satou followed his best friend Hime home to her world to crash her wedding and ended up marrying her himself, becoming the Ring King fated to defeat the Abyssal King and save the realm of Arnulus. One ring is not enough for what that role demands, so Satou keeps traveling with Hime to seek out the other elemental princesses whose rings he needs. This second season follows the pair further into that journey, meeting princesses like Granart and Nefritis along the way.