Movie
Description
Rui Kagezaki, also called Ryoi Kagezaki, is one of two brothers entwined in a supernatural war against demonic forces, their identities defined by the rare ability to shapeshift into cats. Trained from youth by the malevolent demon cat Jukokubo, they later rebel, dedicating themselves to battling entities that prey on human despair. Their origins remain veiled in ambiguity—unclear whether they were once humans bestowed with powers or innate supernatural beings cloaked in mortal guise.

In human form, Rui adopts the unassuming facade of a timid teenage boy, infiltrating schools as a transfer student to uncover occult threats. His calico feline guise contrasts sharply with Hyoi’s sleek black form, mirroring their divergent personalities: Rui’s emotional openness and naivety clash with Hyoi’s stoic pragmatism. This dichotomy often leaves Rui imperiled, such as when the demon-corrupted teacher Miss Ogawa ensnares him through hypnotic seduction, forcing Hyoi to intervene.

Rui wields shape-shifting, psychic talents like telepathy and hypnosis, and the Dark Cat Sword—a mystical blade that condenses into a pendant. His combat frailty surfaces in pivotal battles, including a near-fatal clash with Jukokubo that demands healing by the Spirit of the Forest, a ritual entwined with their symbiotic bond to nature. Though their ageless forms mirror adolescents, echoes of centuries-long conflicts imply immortality, anchoring their endless struggle against Jukokubo’s taunts of eternal evil.

Rui’s journey centers on balancing dependence on Hyoi with reluctant acceptance of their duty, though his raw emotions—fear, wonder, vulnerability—repeatedly breach the surface. The OVA heightens his fragility, amplifying his susceptibility to manipulation and reliance on allies. Fleeting human ties, like his bond with asthmatic classmate Aimi Koenji, underscore the tension between his supernatural mission and mortal yearnings.

Their magically conjured attire during transformations reinforces their ethereal existence. Rui’s narrative orbits his bond with Hyoi and their shared history as Jukokubo’s former disciples, framing their conflict as both intimately personal and bound to an endless cycle of resistance.