Ron Kamonohashi's Forbidden Deductions poster

Ron Kamonohashi's Forbidden Deductions (2023)

Animation · Comedy · Crime

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!

IMDb rating: 7.2 (1,147 votes)
Seasons: 2
Streaming (US): Crunchyroll
Language: JA
Type: TV series

Browse all Slow burn seasons in the explorer → Open in Rising Shows app → View on IMDb

Ratings refreshed Jul 3, 2026 · 2 seasons indexed

Cast

Seasons

Season 1 (2023)

8.02 avg 13 episodes 7.6 → 7.8

Mid-peak

Season 1 episodes — IMDb ratings
#	Title	Rating	Votes
1	The Case of the Metropolitan Serial Drownings	7.6	120
2	The Case of the Locked-Room Piggy Bank Theft	8.1	97
3	The Case of the Benizome Hot Spring Murder - Part 1	8.1	91
4	The Case of the Benizome Hot Spring Murder - Part 2	8.2	91
5	The Case of the Hand Collector	8.1	85
6	The Case of the Live Broadcast Murder	7.9	84
7	The Case of the Observatory Murder - Part 1	8.3	87
8	The Case of the Observatory Murder - Part 2	8.3	82
9	The Case of the Observatory Murder - Part 3	8.5	89
10	The Case of the Poisoned Latte	7.8	77
11	The Case of the Mad Chameleon Murder	7.8	76
12	The Case of the Yadagami-sama Murders (Part 1)	7.8	76
13	The Case of the Yadagami-sama Murders (Part 2)	7.8	74

Season 2 (2024)

8.06 avg 13 episodes 7.9 → 8.6

Season 2 episodes — IMDb ratings
#	Title	Rating	Votes
1	The Case of the Shibuya Apocalypse Serial Murders: Part 1	7.9	47
2	The Case of the Shibuya Apocalypse Serial Murders: Part 2	8.0	45
3	The Case of the Shibuya Apocalypse Serial Murders: Part 3	7.9	44
4	The Case of the Midsummer Beachside Stand Drowning: Part 1	7.4	43
5	The Case of the Midsummer Beachside Stand Drowning: Part 2	7.5	43
6	The Case of the Genius Composer Abduction: Part 1	7.7	43
7	The Case of the Genius Composer Abduction: Part 2	8.1	40
8	The Case of the Psychology Research Lab Murder: Part 1	7.9	41
9	The Case of the Psychology Research Lab Murder: Part 2	7.8	40
10	The Case of the Highland Auberge Serial Murders -- Part 1	8.3	34
11	The Case of the Highland Auberge Serial Murders : Part 2	8.8	30
12	The Case of the Highland Auberge Serial Murders : Part 3	8.9	33
13	The Case of the Highland Auberge Serial Murders Part 4	8.6	29

Ron Kamonohashi's Forbidden Deductions (2023)

Cast

Seasons

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