OVA
Description
Taichi Hiraga-Keaton possesses dual Japanese-British heritage, born to Japanese zoologist Taihei Hiraga and English noblewoman Patricia Keaton. His parents separated when he was five, prompting relocation to England with his mother. As an adult, he studied archaeology at Oxford University's Balliol College under Professor Yuri Scott. There, he met and married a mathematics student from Somerville College; the marriage dissolved with their five-year-old daughter Yuriko remaining in her mother's custody. During the main series, Yuriko—aged 14-15—inherits her father's intellect and archaeological curiosity.

Post-Oxford, Keaton enlisted in the British Army and advanced to the Special Air Service (SAS), attaining master sergeant rank unusually young. His deployments included the 1980 Iranian Embassy siege and 1982 Falklands War, where his survival expertise proved vital. After serving as an SAS survival instructor, he transitioned to reserves, retaining combat, surveillance, weapon improvisation, and evasion skills. Notable civilian adaptations include crafting bolas from shoelaces, jail-cell grappling hooks, and non-lethal slingshots.

Leaving active service around age 25, Keaton pursued archaeology with limited success. During temporary academic work, insurance investigator Daniel O'Connell recruited him after observing his perceptiveness. He now works for Lloyd's of London for over a decade, deploying unorthodox methods. Co-owning the Keaton & O'Connell Assurance Investigating Office in London with Daniel, he handles global fieldwork while Daniel manages operations. His investigative earnings fund his passion: researching ancient Danube River basin civilizations. Frequent case cancellations disrupt his sporadic university teaching roles.

Physically, Keaton stands 5'7" (170 cm) and weighs 140 lbs (64 kg), with brown eyes, black hair, a prominent nose, and Eurasian features. He typically wears a blue suit, white shirt, and black tie during investigations. Born in 1955, he is approximately 34 during the main series. His personality blends humility, kindness, and introversion; he often feigns absent-mindedness to discreetly gather intelligence, leading others to underestimate him. He avoids violence but employs SAS precision when threatened, favoring negotiation or non-lethal solutions. Core traits include intense curiosity, encyclopedic cross-disciplinary knowledge, and empathy for diverse individuals.

Key relationships include wry, sarcastic exchanges with his womanizing father Taihei and doting interactions with daughter Yuriko during visits. He harbors unresolved feelings toward his unseen ex-wife, who occasionally provides academic aid he hesitates to accept. With partner Daniel, he displays relaxed bluntness unseen elsewhere. An INFJ or ISTP personality type, he values autonomy and logical problem-solving, exhibiting Enneagram Type 5 ("Investigator") traits like intellectual detachment and competence-seeking.

In later continuities like *Master Keaton Remaster*, set two decades post-original series, he maintains his dual career balancing insurance investigations with archaeological pursuits, reflecting enduring consistency in motivations. His development remains episodic, emphasizing recurring traits over transformative growth.