Upon his arrival in the Water Kingdom of Maasa, Satou is unexpectedly approached and kissed by Princess Saphir Maasa, who then gifts him the Water Ring. Saphir, known for her proud demeanor, surprises Satou with her direct approach and insults him for being unprepared for such a simple connection.



Saphir's twin sister, Saphira, is distraught over her sister's marriage to Satou and feels betrayed by Prince Marse, who had promised to marry her but instead renounced his intended role as the Ring King, deeming himself unworthy. This renunciation leads to conflicts, as Marse genuinely loved Saphira but chose Satou over her.



The narrative also touches on the political tensions with the Kingdom of Gisara, where Marse is a prince. His brother, the first prince Sluder, arrives in Maasa under the pretext of protecting him from external threats but secretly intends to expand their realm. Additionally, a manipulative oracle has compromised the twins' father, further exacerbating the kingdom's troubles.



Amidst these tensions, the characters find time for a carefree pool party, highlighting the contrast between the gravity of their situation and moments of levity. The festivities remain undisturbed, even after Granart foiled an assassination attempt on Satou the previous night.