Gun Devils

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Lore & Background

In a timeline where Devils are born from collective fears, the Gun Devil represents the fear of guns and grows stronger as that fear becomes prevalent. A critical turning point occurred approximately 40 years ago when Pochita managed to consume the Gun Devil's physical body, drastically reducing its fear level but leaving the concept of guns and their associated terror intact in human society. In the current timeline, the United States did not deploy the full entity; instead, Makima orchestrated a plan using the remaining fragments. She manipulated events so that Aki Hayakawa would make a contract with a fragment residing within himself, turning him into the Gun Fiend. Denji was subsequently forced to kill his friend Aki in self-defense.

In Their Own Story

The narrative involving the Gun Devil is marked by betrayal and loss. After Denji merges with Pochita and joins Public Safety under Makima, his primary mission becomes hunting the Gun Devil. The stakes escalate when the United States deploys this entity against Makima. In the ensuing conflict, Makima defeats the Gun Devil but forces it to possess Aki Hayakawa. This tragic transformation turns Aki into a weaponized fiend, forcing Denji to kill him in self-defense. The story arc concludes with the realization that Pochita had previously consumed the Gun Devil's heart, erasing parts of its existence from memory while leaving its impact on the characters' lives indelible.

Reader's Guide

Understanding the Gun Devil requires grasping the mechanics of fear-based power in this universe. Its strength is directly proportional to how much humanity dreads bullets and mass casualties. Because these fears are so widespread, the entity possesses immense destructive capability. Devil Hunters rarely encounter the full form due to its lethality; instead, they deal with contracts or remnants like Fiends. A contract allows a human to summon abilities at the cost of their lifespan or specific body parts. Himeno Mori is the most notable example, using this pact in a desperate bid for power. Currently, the physical heart of the Gun Devil was consumed by Pochita. This means that while the concept of guns still exists, the original entity's memory and full potential were erased from existence. Denji, as Chainsaw Man, carries the remnants of this power within his hybrid form.

Did You Know?

• The full Gun Devil was never deployed by the United States against Chainsaw Man in the current timeline; only fragments were used.
• Himeno Mori made her contract with the Ghost Devil, not the Gun Devil, to gain supernatural abilities and extend her life.
• Aki Hayakawa became the Gun Fiend because he contracted a fragment of the Gun Devil that was already inside him, orchestrated by Makima.
• The original physical body of the Gun Devil was consumed by Pochita approximately 40 years ago, significantly reducing its fear level but not erasing it from history.
• Makima did not defeat the Gun Devil in battle; she manipulated the remaining fragments to create a weapon (Aki) from within.

Origins and Premise

The narrative centers on Denji, a destitute teenager burdened by his late father's debts to the yakuza. His life changes irrevocably after a betrayal leads to his death, during which he merges with Pochita, a dog-like entity known as the Chainsaw Devil. This fusion transforms Denji into a unique hybrid capable of transforming body parts into chainsaws by pulling a cord on his chest. Following this resurrection, he joins the Public Safety Devil Hunters, a government agency dedicated to neutralizing supernatural threats within Japan. The series is set in an alternate late-1990s timeline where the Soviet Union remains active, and Devils manifest from humanity's collective fears. These entities grow stronger as fear intensifies, forcing specialized operatives to hunt them down or form contracts for power. A critical distinction exists between Fiends, who are Devils possessing human corpses, and hybrids like Denji, who merge with living humans. The story explores a grim world where the Chainsaw Devil possesses a terrifying ability: consuming another Devil permanently erases that concept from existence and human memory, a fact exploited by antagonists to manipulate reality.

Narrative Arcs and Conflict

The storyline is divided into two primary arcs featuring distinct protagonists and escalating stakes. The first arc follows Denji's recruitment under Makima, the Control Devil, who orchestrates events to dominate Pochita for his erasure capabilities. This journey involves hunting the Gun Devil, a weaponized entity deployed by the United States, leading to tragic confrontations where allies like Aki Hayakawa and Power are lost. The second arc shifts focus to Asa Mitaka, a withdrawn high school student who becomes a Fiend after contracting with Yoru, the War Devil. While Asa seeks to break their pact, Yoru aims to revive the Nuclear Weapons Devil and exact revenge on Chainsaw Man for her previous near-destruction. This arc introduces complex manipulations involving Fami, revealed as the Death Devil, and a cult known as the Chainsaw Man Church. The climax involves a desperate battle against the Death Devil and Yoru, where Denji must navigate a reality-altering conflict that threatens to erase death itself, ultimately leading to Pochita's self-sacrifice to reset the world.

Publication History and Media Adaptation

Created by Tatsuki Fujimoto, the manga began serialization in Weekly Shōnen Jump from late 2018 until December 2020 before moving to the digital platform Shōnen Jump+ for its second arc. The series has been collected into twenty-four tankōbon volumes and achieved massive global circulation, surpassing thirty-six million copies by June 2026. In North America, Viz Media handles both print and digital distribution alongside Shueisha's Manga Plus service. The franchise expanded significantly with an anime adaptation produced by MAPPA, which aired from October to December 2022, followed by a theatrical film covering the Reze Arc in September 2025. Further animation projects, including an adaptation of the Assassins arc, have been officially announced. These adaptations have brought Fujimoto's unique visual style and dark narrative to a broader audience, cementing its status as a modern shōnen phenomenon across multiple media formats.

Critical Reception and Cultural Impact

Since its debut, the series has garnered widespread acclaim from critics who praise its intricate storytelling, complex character development, and distinctive blend of dark humor with visceral violence. The narrative's willingness to explore mature themes within the context of a supernatural battle has resonated deeply with audiences worldwide. Its success is reflected in prestigious accolades, including the 66th Shogakukan Manga Award for shōnen manga in 2021 and consecutive Harvey Awards for Best Manga from 2021 through 2023. The work is particularly noted for how it contextualizes its graphic violence, using it to underscore the horror of the Devils' existence rather than merely for shock value. By redefining the relationship between fear and reality, the series has influenced contemporary manga trends, proving that subversive takes on traditional shōnen tropes can achieve both commercial dominance and critical respect.