Shueisha’s Shonen Jump+ website confirmed that Akira Amano’s Ron Kamonohashi: Deranged Detective manga will end on July 6. The Ron Kamonohashi: Deranged Detective manga will end with its 170th chapter.
Amano first published the Ron Kamonohashi: Deranged Detective manga in October 2020 on Shonen Jump+. The series has 17 volumes as of June 4, 2025. Manga Plus currently publishes the manga digitally in English.
This unusual duo brings the hidden truth into the light! Ron Kamonohashi, a private investigator with serious issues, and Totomaru Ishiki, a pure-hearted but dim police detective, team up to solve the most baffling mysteries! A thrilling detective story for a new generation from Akira Amano, creator of “Reborn!” and “Ēldlive“!
The Ron Kamonohashi: Deranged Detective anime initially premiered on Crunchyroll in October 2023 with the title of Ron Kamonohashi’s Forbidden Deductions. Season 2 of Ron Kamonohashi’s Forbidden Deductions premiered one year later in October 2024. All 26 episodes of Ron Kamonohashi’s Forbidden Deductions are available to stream right now on Crunchyroll.
Lastly, here’s an overview of the series, courtesy of Crunchyroll:
Ron Kamonohashi was once regarded as a genius at the top detective training academy. But after a fatal mistake, he was expelled and forbidden to become a detective. Years later, police officer Totomaru Isshiki knocks on Ron’s door seeking help on a serial murder case. He finds Ron, now a messy-haired recluse, who agrees. Together, this mismatched detective team begins solving their first mystery!
