Ron Kamonohashi's Forbidden Deductions

Ron Kamonohashi was once hailed as the brightest student at a top detective academy, but a fatal misstep branded him a failure and banished him from the field. Years pass with him living as a disheveled, reclusive figure, a shadow of his former promise. When Totomaru Ishiki, a determined police officer, shows up at his doorstep seeking help on a brutal serial murder case, Ron agrees to lend his mind to the investigation. The unlikely pair forms a mismatch of styles, pairing Ishiki’s methodical, by the book approach with Ron’s instinctive, high risk deductions. They dive into a case that tests both their patience and their limits, all while old secrets hover over Ron’s past.

An original animated series from creators Wataru Watari and Akira Amano, it premiered in 2023. It features Yohei Azakami voicing Ron Kamonohashi, Junya Enoki as Totomaru Ishiki, with Yoko Hikasa as Amamiya and Taku Yashiro as Spitz Feier. The production blends action with moody mystery.

Reviewers describe the dynamic between the fallen genius and the pragmatic officer as the show's engine, mixing sharp dialogue with tense investigations. The series tackles redemption, trust under pressure, and how past mistakes echo in current cases. The 6.3/10 rating reflects mixed but genuine interest.