Rio and Sora journey to the site of Saint Erica's summoning to find clues about the transcendent rules. As Rio walks in the Saint's footsteps, more questions arise about the power that the heroes wield.

Meanwhile, the four heroes gather at the Galarc Castle, but Sendo Takahisa refuses to train with the others and sets out on his own lonely path to repair his relationship with Miharu. After all, she's forgiven Aki... So why not him?

Will the actions of one pining hero distort the very fabric of the world itself?