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.

Peace has returned to Maasa and the gang are able to take a short break. Satou and Hime go on a date alone, but Nefritis, Granart, and Saphir secretly follow them. Satou and Hime are enjoying their date, but then they recall Alabaster's prior words.

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!