Haruka's long-awaited meeting with Subaru takes a dark turn when the latter, ensnared by a powerful spell, launches a fierce assault with the goal of defeating her. Caught off guard and outmatched, Haruka retreats with Narika and Takamaru to regroup and search for ways to amplify their abilities. Their quest for greater power becomes essential as they ready themselves to challenge Subaru once again in what promises to be a pivotal clash.