5 Forbidden Deductions: Why Ron Kamonohashi Season 3 Is Inevitable (Plus Release Date Predictions)

The mystery continues. As of December 17, 2025, while the critically acclaimed Season 2 of *Ron Kamonohashi's Forbidden Deductions* (*Kamonohashi Ron no Kindan Suiri*) has concluded its run, the burning question remains: Will we get an official Season 3 announcement? The short answer is that no formal confirmation has been made by the production committee or studio Diomedéa, but the overwhelming success and the wealth of remaining source material make a third season an almost guaranteed deduction for fans of the eccentric detective and his earnest sidekick.

The anime, based on the manga by the legendary Akira Amano (creator of *Reborn!*), has captivated audiences with its unique blend of dark mystery and comedic partnership. With the main story of the manga now complete, the path for a full anime adaptation is clearer than ever, setting the stage for the highly anticipated continuation of Ron’s journey and his battle against the shadowy organization known as the M. Family.

The Dynamic Duo: Ron Kamonohashi and Totomaru Isshiki Profile

The heart of *Ron Kamonohashi’s Forbidden Deductions* lies in its two main characters, whose contrasting personalities form a perfect, albeit unusual, detective partnership. Their individual backgrounds and skills are essential for understanding the narrative drive that will fuel a potential Season 3.

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• Ron Kamonohashi (鴨乃橋 ロン)
  • Role: Private Investigator, Former Elite Detective Student.
  • Background: A genius detective who was expelled from the prestigious detective academy, BLUE, five years prior to the story's start.
  • Forbidden Deduction: Ron possesses unparalleled deductive skills but has a fatal flaw: after solving a case, he is overcome by an uncontrollable urge to kill the culprit, which he can only stop with external intervention.
  • Goal: To find a way to use his skills without succumbing to his murderous impulse and to uncover the truth behind his expulsion and the M. Family.
• Totomaru "Toto" Isshiki (一色 都々丸)
  • Role: Homicide Detective, Ron's Partner.
  • Background: A kind-hearted but somewhat clumsy and naive police investigator from the Metropolitan Police Department.
  • Function: He serves as Ron's 'handler' and the crucial element that stops Ron from killing the culprits. He acts as the public face of the investigation, allowing Ron to work from the shadows.
  • Growth: Toto’s character arc focuses on his development from a well-meaning but average detective to a capable partner who learns to trust his own instincts, often bridging the gap between Ron's genius and the police's bureaucracy.

Other key entities and characters central to the series’ lore include the elite detective academy BLUE, the shadowy criminal organization M. Family, and police officers like Amamiya and Spitz, all of whom are poised to play major roles in the next installment.

The Unofficial Status: Why Ron Kamonohashi Season 3 is a Near Certainty

While an official announcement for *Ron Kamonohashi Season 3* is still pending, industry analysts and fans are highly optimistic. The following five "Forbidden Deductions" explain why a third season is not just likely, but practically inevitable.

1. The Manga's Conclusion Provides a Clear Roadmap

The original source material, the manga written and illustrated by Akira Amano, concluded its serialization with Chapter 170, titled "A New Forbidden Deduction." This is arguably the strongest indicator of a sequel’s potential. A completed manga series eliminates the risk of the anime overtaking the source material, allowing the production committee to plan the entire remaining story arc—potentially for a Season 3 and even a Season 4—with a definitive ending in sight.

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2. Abundant Remaining Source Material

The first season of the anime adapted roughly the first 20 chapters of the manga. Even if Season 2 covered a substantial portion, there are over 150 chapters in total. This massive volume of material ensures that a third season, and likely a fourth, can be produced without needing to resort to filler or original anime content, maintaining the high quality and narrative integrity of the source material. The biggest mysteries, including the full truth about the M. Family and Ron’s past at BLUE Academy, are yet to be fully explored in the anime.

3. High Fan Demand and Critical Acclaim

The series has been a consistent performer for its streaming platform, Crunchyroll, and has garnered a dedicated global fanbase. The announcement and successful release of Season 2 shortly after Season 1’s conclusion is a strong indicator of the franchise's commercial viability and popularity. High engagement, strong home video sales, and positive critical reviews are the primary metrics that drive the decision to greenlight a new season, and *Ron Kamonohashi* has checked all these boxes.

4. The Looming Threat of the M. Family

The overarching plot of the series revolves around Ron’s deep connection to the mysterious and powerful M. Family, an organization whose true nature is shrouded in secrecy. Season 2 undoubtedly deepened this plot, but the final, definitive confrontation with this criminal organization is what the entire series is building towards. A Season 3 would be necessary to continue the escalation of this central conflict, pushing Ron and Toto into more dangerous, high-stakes deductions that directly challenge the foundations of the detective world.

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5. Consistent Production Studio and Schedule

The anime has been produced by Studio Diomedéa, and a consistent production studio often means a smoother transition to a sequel. Given the typical anime production cycle, and assuming Season 2 concluded in late 2024, a Season 3 announcement would traditionally follow within a few months, with a likely premiere date approximately a year and a half later.

Ron Kamonohashi Season 3: Release Date and Plot Predictions

Based on the typical production timelines for a popular anime sequel, and the fact that Season 2 aired in October 2024, we can make an informed prediction for the third installment.

Predicted Release Date Window

Given the pattern of the first two seasons and the required time for animation production, a likely release window for *Ron Kamonohashi Season 3* would be:

• Official Announcement: Early to Mid-2026.
• Predicted Premiere: Late 2026 or Early 2027.

This timeline allows Studio Diomedéa sufficient time to maintain the animation quality and adapt the next major arcs of the manga, potentially targeting the popular Fall (October) or Winter (January) anime seasons.

Potential Plot Points for the New Forbidden Deduction

Season 3 is expected to delve deeper into the core mysteries of the franchise, moving beyond episodic cases to focus more heavily on the overarching narrative. Key plot elements will likely include:

• The BLUE Academy Fallout: Further exploration of Ron's past at the elite detective school and the true circumstances of his expulsion.
• The M. Family's True Identity: Ron and Toto will likely begin to close in on the leadership and goals of the M. Family, leading to a direct and personal confrontation that ties back to Ron's bloodline.
• Toto's Development: Totomaru Isshiki will continue to grow as a detective, learning to handle high-pressure situations and perhaps even finding a way to mitigate Ron's "forbidden deduction" impulse more effectively.
• New Foes and Allies: Introduction of more high-level detectives from BLUE, as well as new, complex antagonists from the M. Family, further expanding the world of Kindan Suiri.

The journey of Ron Kamonohashi and Totomaru Isshiki is far from over. While fans eagerly await the official word, all signs point to a powerful return for the detective with the deadly touch, confirming that the next chapter of *Ron Kamonohashi’s Forbidden Deductions* is a case that is just waiting to be solved.