Yataro is a member of NORA, operating under Haruka Inaba's leadership. He functions as the primary host body for Soumei Inaba, the spirit of a former police dog capable of demonic possession. Specific training prepared him for this role, though possessions cause Yataro discomfort due to Soumei's inappropriate actions, such as groping female members like Natsuki. A chimera, Yataro possesses a supernatural fetish for smells, utilizing it for tracking and investigations—a distinct ability contrasting with other chimeras like Hiroshi Inaba's hair examination. His reserved, professional exterior often conceals hidden competence, revealed through unexpected capability during missions. Yataro's background involves a younger association with Hiroshi Inaba and Soumei, explored in serious story arcs detailing his training under Soumei and the development of his loyalty to NORA. He shares a relationship of mutual protectiveness with Natsuki, particularly against Soumei's actions during possessions. Both maintain a cautious attitude toward their leader, Haruka Inaba, acknowledging his unpredictable nature despite their allegiance. Character development unfolds through episodes focusing on NORA's history, highlighting Yataro's internal conflicts and adaptability. His role evolves from passive host to engaged operative, demonstrating resilience during high-stakes situations involving entities like the Valentino mafia or police confrontations. Physically, Yataro has blue hair, yellow eyes, and a teenage appearance.