Ron Kamonohashi's Forbidden Deductions
TV Show · Anime · Mystery

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!

2023 · 24m
Starring Yōhei Azakami, Junya Enoki, Yoko Hikasa
Director Shota Ihata

Season 1

  • EPISODE 1
    The Case of the Metropolitan Serial Drownings
    The Metropolitan Police Department is struggling to investigate a series of murders, yet Detective Isshiki is ordered to go home. Kiku of the General Affairs Division sends him to meet a certain sleuth — a shaggy-haired eccentric named Kamonohashi Ron.
    24m
  • EPISODE 2
    The Case of the Locked-Room Piggy Bank Theft
    Ron is excited to solve cases by using Toto, but he's not on any good ones because his boss thinks he's useless. All he gets are odd jobs and busywork. Ron, however, is quite interested in a new report about coins going missing from a piggy bank...
    23m
  • EPISODE 3
    Episode 3
    Ron wins a pair of tickets to a hot spring in a raffle. Toto accompanies him to stay at the Benizome Inn. The innkeeper who greets them is friendly, but he isn't who he seems. Plus, it isn't long before Ron's eccentricities begin to surface.
    23m
  • EPISODE 4
    Episode 4
    There has been a murder. Ron listens to the other guests' testimonies and begins his deductions. Spitz secretly rejoices at this chance to catch Ron in the act of sleuthing, but outwardly both he and Amamiya entrust the investigation to Toto.
    23m
  • EPISODE 5
    The Case of the Hand Collector
    Kawasemi Omito, a supremely skilled detective, leads a joint investigation into a serial killing case. Amamiya lends him Toto, whom Kawasemi deems so useless he's invisible. Ron appears at the newest crime scene as a consultant, irritating Kawasemi.
    23m
  • EPISODE 6
    The Case of the Live Broadcast Murder
    Ron loves a certain TV show that puts psychic abilities to the test. During a live broadcast, a psychic claims he can control minds with written words. His neurosurgeon opponent refutes his claims. Then, the psychic writes the word "Death" on a card.
    23m

Related

Cast & Crew

  • Y‌A
    Yōhei Azakami
    Ron Kamonohashi
  • Junya Enoki
    Totomaru Isshiki
  • Yoko Hikasa
    Amamiya
  • Taku Yashiro
    Spitz Feier
  • S‌I
    Shota Ihata
    Director
  • S‌T
    Sho Tanaka
    Producer
  • M‌K
    Makoto Kohara
    Producer
  • K‌I
    Koichi Inaba
    Producer
  • W‌W
    Wataru Watari
    Writer

About

Ron Kamonohashi's Forbidden Deductions

Anime

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!

Information

Studio
Kadokawa Pictures Inc.
Released
2023
Rated
TV-14
© 2023 Akira Amano / Shueisha, Ron Kamonohashi's Forbidden Deductions Partners

Languages

Original Audio
Japanese, Japanese (Japan)
Audio

Japanese (AAC)

Subtitles

English (United States) (Always On)

  • Español (México)
Select a country or region

Africa, Middle East, and India

  • Armenia
  • Azerbaijan
  • Bahrain
  • Botswana
  • Brunei Darussalam
  • Cape Verde
  • Egypt
  • Eswatini
  • Gambia
  • Ghana
  • Guinea-Bissau
  • India
  • Israel
  • Jordan
  • Lebanon
  • Mauritius
  • Mozambique
  • Namibia
  • Niger (English)
  • Oman
  • Qatar
  • Saudi Arabia
  • South Africa
  • Sri Lanka
  • Tajikistan
  • Turkmenistan
  • Uganda
  • United Arab Emirates
  • Zimbabwe

Asia Pacific

  • Australia
  • Cambodia
  • Fiji
  • 香港 (廣東話–繁體)
  • Indonesia (English)
  • 日本
  • Lao People's Democratic Republic
  • 澳門 (廣東話–繁體)
  • Malaysia (English)
  • Micronesia, Federated States of
  • Mongolia
  • New Zealand
  • Philippines
  • Singapore
  • 대한민국
  • 台灣
  • Thailand
  • Turkmenistan
  • Vietnam

Europe

  • Armenia
  • Österreich
  • Belarus
  • Belgium
  • Bulgaria
  • Cyprus
  • Czechia
  • Denmark
  • Estonia
  • Finland
  • France (Français)
  • Deutschland
  • Greece
  • Hungary
  • Ireland
  • Italia
  • Latvia
  • Lithuania
  • Luxembourg (English)
  • Malta
  • Moldova, Republic Of
  • Nederland
  • Norway
  • Poland
  • Portugal (Português)
  • Россия
  • Slovakia
  • Slovenia
  • España
  • Sverige
  • Schweiz
  • Türkiye (English)
  • Ukraine
  • United Kingdom

Latin America and the Caribbean

  • Anguilla
  • Antigua and Barbuda
  • Argentina (Español)
  • Bahamas
  • Belize
  • Bermuda
  • Bolivia (Español)
  • Brasil
  • Virgin Islands, British
  • Cayman Islands
  • Chile (Español)
  • Colombia (Español)
  • Costa Rica (Español)
  • Dominica
  • República Dominicana
  • Ecuador (Español)
  • El Salvador (Español)
  • Grenada
  • Guatemala (Español)
  • Honduras (Español)
  • México
  • Nicaragua (Español)
  • Panamá
  • Paraguay (Español)
  • Perú
  • St. Kitts and Nevis
  • Trinidad and Tobago
  • Venezuela (Español)

The United States and Canada

  • Canada (English)
  • Canada (Français)
  • United States
  • Estados Unidos (Español México)

Copyright © 2025 Apple Inc. All rights reserved.

  • Internet Service Terms
  • Apple TV & Privacy
  • Cookie Policy
  • Support
Select a country or region

Africa, Middle East, and India

  • Armenia
  • Azerbaijan
  • Bahrain
  • Botswana
  • Brunei Darussalam
  • Cape Verde
  • Egypt
  • Eswatini
  • Gambia
  • Ghana
  • Guinea-Bissau
  • India
  • Israel
  • Jordan
  • Lebanon
  • Mauritius
  • Mozambique
  • Namibia
  • Niger (English)
  • Oman
  • Qatar
  • Saudi Arabia
  • South Africa
  • Sri Lanka
  • Tajikistan
  • Turkmenistan
  • Uganda
  • United Arab Emirates
  • Zimbabwe

Asia Pacific

  • Australia
  • Cambodia
  • Fiji
  • 香港 (廣東話–繁體)
  • Indonesia (English)
  • 日本
  • Lao People's Democratic Republic
  • 澳門 (廣東話–繁體)
  • Malaysia (English)
  • Micronesia, Federated States of
  • Mongolia
  • New Zealand
  • Philippines
  • Singapore
  • 대한민국
  • 台灣
  • Thailand
  • Turkmenistan
  • Vietnam

Europe

  • Armenia
  • Österreich
  • Belarus
  • Belgium
  • Bulgaria
  • Cyprus
  • Czechia
  • Denmark
  • Estonia
  • Finland
  • France (Français)
  • Deutschland
  • Greece
  • Hungary
  • Ireland
  • Italia
  • Latvia
  • Lithuania
  • Luxembourg (English)
  • Malta
  • Moldova, Republic Of
  • Nederland
  • Norway
  • Poland
  • Portugal (Português)
  • Россия
  • Slovakia
  • Slovenia
  • España
  • Sverige
  • Schweiz
  • Türkiye (English)
  • Ukraine
  • United Kingdom

Latin America and the Caribbean

  • Anguilla
  • Antigua and Barbuda
  • Argentina (Español)
  • Bahamas
  • Belize
  • Bermuda
  • Bolivia (Español)
  • Brasil
  • Virgin Islands, British
  • Cayman Islands
  • Chile (Español)
  • Colombia (Español)
  • Costa Rica (Español)
  • Dominica
  • República Dominicana
  • Ecuador (Español)
  • El Salvador (Español)
  • Grenada
  • Guatemala (Español)
  • Honduras (Español)
  • México
  • Nicaragua (Español)
  • Panamá
  • Paraguay (Español)
  • Perú
  • St. Kitts and Nevis
  • Trinidad and Tobago
  • Venezuela (Español)

The United States and Canada

  • Canada (English)
  • Canada (Français)
  • United States
  • Estados Unidos (Español México)