Homare Kuroki, the 55-year-old president of global IT powerhouse Crotter, embodies professional perfectionism. He enforces rigorous standards upon himself and his corporate sphere with unwavering discipline. His history includes a childhood bond with the Chancellor, leader of the secret society Eagle Talon, forging a significant personal dynamic between them.

In the Golden Spell narrative, Kuroki becomes pivotal when Crotter seizes the ancient "Golden Spell" artifact and its development program from Eagle Talon. This device manipulates human will through spoken commands. Crotter's acquisition thrusts Kuroki into direct opposition with Eagle Talon, igniting the core conflict that drives the 12-episode series.