OVA
Description
Kurogane, born Yōō, is a formidable ninja from feudal Nihon, bound by unwavering loyalty to Princess Tomoyo. As the son of Suwa Province’s lord and a priestess tasked with sustaining a sacred barrier, his childhood centered on safeguarding his family and homeland. His world shattered when Fei Wang Reed orchestrated a demonic invasion of Suwa, claiming both parents: his mother slain by a blade through a portal, his father falling in combat. Discovering their bodies, Kurogane spiraled into vengeful fury until Tomoyo subdued him, forging a replica of his father’s sword, Ginryū—its original entombed with his mother—and binding him to her service.

Exiled for brutality, Kurogane was thrust into the care of dimension witch Yūko Ichihara to grasp true strength. Cursed to weaken with each unnecessary kill, he surrendered Ginryū to traverse worlds, later acquiring the blade Sōhi in Ōto. This sword became a tool to mentor Syaoran, instilling discipline and the creed that blades must cut only when vital. In Celes, he forfeited his left arm to rescue Fai, replaced by a magically crafted prosthetic.

Beneath his abrasive demeanor lay fierce compassion. Initially aloof toward his companions’ mission, he grew to champion their cause, sacrificing his power for vengeance and shielding them at all costs. His rivalry with Fai thawed into profound trust, punctuated by Fai’s irreverent nicknames and Kurogane’s choice to offer his life to free Fai from vampiric thrall.

Fei Wang Reed’s machinations entwined deeply with Kurogane’s past, positioning him as an unwitting pawn. Tomoyo’s “curse” emerged as a safeguard, his sole weakness rooted in his lost arm—a revelation cementing that true power lies in protecting others. Returning to Nihon, Tomoyo restored Ginryū’s original blade, which he wielded to strike Fei Wang’s killing blow, fulfilling his vengeance.

Now roaming dimensions with Fai, Syaoran, and Mokona, Kurogane balances mentorship and guardianship. His journey from lone avenger to selfless defender mirrors themes of redemption, loyalty, and strength redefined through sacrifice.