A brilliant physicist turned amateur detective who applies scientific methodology to solve complex murders. Across the trilogy, he evolves from a detached academic in the first case to an emotionally invested investigator who consistently partners with law enforcement, particularly Detective Kusanagi, to resolve cold cases and community tragedies.
Yukawa serves as the central analytical force, bridging academic physics and criminal investigation.
Yukawa leads the inquiry while Misa provides critical personal context and environmental insights.
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