Ron Kamonohashi's Forbidden Deductions

S01E01 The Case of the Metropolitan Serial Drownings

October 2, 2023 4.0 25 min

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...

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S01E02 The Case of the Locked-Room Piggy Bank Theft

October 9, 2023 4.0 24 min

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...

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S01E03 The Case of the Benizome Hot Spring Murder (1)

October 16, 2023 24 min

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....

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S01E04 The Case of the Benizome Hot Spring Murder (2)

October 23, 2023 24 min

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...

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S01E05 The Case of the Hand Collector

October 30, 2023 24 min

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...

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S01E06 The Case of the Live Broadcast Murder

November 6, 2023 24 min

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...

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S01E07 The Case of the Observatory Murder (1)

November 13, 2023 24 min

Toto and Ron are invited to a meteor shower viewing being held on Nandan Island. Also invited is John Grizzly, an instructor at BLUE. There was a murder at the observatory years ago, so the...

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S01E08 The Case of the Observatory Murder (2)

November 20, 2023 24 min

Ron is named main suspect in a murder and Toto investigates to clear his name. Everyone but Ron has an alibi for the time of the murder, which only seems to cement his guilt, but...

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S01E09 The Case of the Observatory Murder (3)

November 27, 2023 24 min

Toto gathers everyone together and explains the truth behind the murders. With their name exposed, the culprit takes drastic measures not to be caught, but not before revealing that there's more to this incident than...

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S01E10 The Case of the Poisoned Latte

December 4, 2023 24 min

Toto is shadowed by a reporter who's a huge fan of his for the way he's solved one difficult case after another. They step into a cafe where Ron happens to be working, making things...

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S01E11 The Case of the Mad Chameleon Murder

December 11, 2023 24 min

Toto meets Kawasemi while on a business trip to Aichi. Kawasemi's been in a slump since losing Yamane, and his powers of perception have suffered. He's investigating the Mad Chameleon, who commits a crime right...

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S01E12 The Case of the Yadagami-sama Murders (1)

December 18, 2023 24 min

Ron agrees to take on Spitz's search request in exchange for his obtaining a file on the Bloody Training Incident. Spitz accepts Ron's terms and takes Ron and Toto to Yadamura, a village in Yamanashi...

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S01E13 The Case of the Yadagami-sama Murders (2)

December 25, 2023 24 min

Toto reveals the truth of the case and the culprit admits to their crimes. Ron's disorder triggers, putting the culprit in danger, but help comes from an unexpected source. Who is their last minute savior,...

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S01E14 The Case of the Shibuya Apocalypse Serial Murders (1)

October 7, 2024 24 min

There's been a murder in Shibuya. A man has been found killed in a ghastly and impossible manner. Toto and Amamiya arrive at the scene to find Ron already there. A mysterious message makes them...

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S01E15 The Case of the Shibuya Apocalypse Serial Murders (2)

October 14, 2024 24 min

There's been another murder in Shibuya. Shocked by the death, the victim's teammate runs. Ron and Toto race to catch him and find more information on the culprit picking off the hacker team. But the...

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S01E16 The Case of the Shibuya Apocalypse Serial Murders (3)

October 21, 2024 24 min

A huge monitor across the street explodes. While Ron and Toto try to make sense of events, Winter tells them that they've lost more than they realize. As Winter torments Ron with the guilt of...

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S01E17 The Case of the Midsummer Beachside Stand Drowning (1)

October 28, 2024 24 min

Toto suggests that Ron take a rest. They invite Ron's doctor, Usaki Mofu, along and head for a dip in the ocean. Ron looks forward to having shaved ice with black sugar syrup from a...

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S01E18 The Case of the Midsummer Beachside Stand Drowning (2)

November 4, 2024 24 min

Ron and the others interview witnesses, but everyone has an alibi for the surfer's estimated time of death. They can't find any concrete evidence that indicates who committed the murder. Then Mofu's usual clumsiness leads...

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S01E19 The Case of the Genius Composer Abduction (1)

November 11, 2024 24 min

Ron accompanies Toto to the concert of a super popular artist Nyonyon. After the performance, a card is found in her room. It's from the Talent Abductor, Hummingbird, who has been taking geniuses of all...

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S01E20 The Case of the Genius Composer Abduction (2)

November 18, 2024 24 min

Nyonyon has disappeared. No matter how much they search the house, there's no sign of her. Sannou presents his personal deductions and concludes that Hummingbird is actually there among them, but Ron spots a hole...

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S01E21 The Case of the Psychology Research Lab Murder (1)

November 25, 2024 24 min

A lack of cases has left Ron bored, so he and Toto go with Chikori to gather information for a story she's working on. They visit a university lab researching cognitive psychology where the air...

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S01E22 The Case of the Psychology Research Lab Murder (2)

December 2, 2024 24 min

Ron and Toto present their deductions to Professor Aoe and the students who use the lab. A number of inconsistencies, starting with the postmark on the threatening letter, lead to the killer's identity and the...

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S01E23 The Case of the Highland Auberge Serial Murders (1)

December 9, 2024 24 min

Ron and a number of other guests have been invited to Reunion, an auberge located on a verdant plateau. When their multi-course dinner is served, Ron notices that most everyone seems uneasy. The next morning,...

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S01E24 The Case of the Highland Auberge Serial Murders (2)

December 16, 2024 24 min

A second victim is found. Ron notices a pattern in the murder scenes and decides that the key to the mystery must lie there. It soon becomes clear that the guests who were upset by...

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S01E25 The Case of the Highland Auberge Serial Murders (3)

December 23, 2024 24 min

Ron is in a state of shock after a staggering revelation. He shows no reaction when a third murder occurs. Toto investigates, dragging Ron with him. When Ron recovers enough to help with the case,...

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S01E26 The Case of the Highland Auberge Serial Murders (4)

December 30, 2024 24 min

The culprit behind the killings at the auberge has been identified, but Ron is still reeling from the flood of memories that this case has triggered. Will the missing pieces of his past bring him...

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