Kaede Kinomiya functions as a spiritual guardian aligned with supernatural forces combating the kyoma threat. Her narrative importance emerges through her bond with Futaba Amitaka, a reincarnated warrior. Their connection evolves swiftly into a close relationship defined by mutual emotional support, with narrative undercurrents implying romantic feelings between them despite Futaba’s preexisting crush on Jutto Sego.

Kaede’s heritage binds her to the spiritual guardian lineage, a group specifically targeted by high-level kyoma to facilitate the demon world gate’s opening. This ritual necessitated sacrificing six high-ranking spiritual guardians. Though unconfirmed among these victims, Kaede’s affiliation with the lineage situates her within this critical event.

Her influence indirectly catalyzes Futaba’s climactic action. Despite Futaba’s prior struggles against moderate kyoma, she accomplishes the impossible: reversing the demon world gate’s opening, a feat requiring overwhelming power. The narrative ascribes this surge to Kaede’s impact, support, or their shared connection, framing it as an emotionally or spiritually charged resolution rooted in their relationship. Kaede’s direct role concludes after this event.