Anime: Chainsaw Man
Studio: MAPPA
Season: 1
Episodes: 12
Aired: October 2022 – December 2022
Genre: Action, Dark Fantasy, Horror, Supernatural
Based on: Manga by Tatsuki Fujimoto (Shueisha, Weekly Shonen Jump)
Introduction
There is a moment early in Chainsaw Man where the main character eats a piece of bread that has been sitting in a trash can. He shares it with his dog. They split it carefully, making sure neither gets more than the other. The dog is a devil — a supernatural entity born from fear, literally made of the darkness that people feel when they imagine death coming for them. The boy is a sixteen-year-old who has been working as a devil hunter since childhood to pay off the debt his dead father left behind. The bread is stale and it came from garbage. And somehow, this moment — two beings with no right to happiness sharing a terrible meal with complete contentment — is one of the most genuinely moving images in modern manga and anime.
That is what Chainsaw Man does better than almost any other work in its genre: it finds the genuine human warmth inside the most brutal possible circumstances and refuses to let either the warmth or the brutality cancel each other out. This is a show about a boy who wants nothing more than a warm meal, a comfortable bed, and a girlfriend — the most ordinary desires imaginable — existing in a world where devils born from human fears stalk the streets and devil hunters die at startling rates, and where the gap between ordinary desire and extraordinary circumstance is where all the story's emotional power lives.
Chainsaw Man was created by Tatsuki Fujimoto and published in Weekly Shonen Jump from 2018 to 2020, where it became one of the most acclaimed works in the publication's history despite its deeply unconventional approach to shonen storytelling. The MAPPA anime adaptation, which premiered in October 2022, was one of the most anticipated anime debuts in years — generating enormous excitement based on both the quality of the source material and MAPPA's reputation for exceptional production. The finished anime largely delivered on those expectations, particularly in terms of its soundtrack (with a different ending song for every episode), its fluid action animation, and its faithfulness to Fujimoto's distinctive visual approach.
The world of Chainsaw Man is one where devils are real — supernatural entities born from human fears, each one corresponding to something that people are afraid of. The more people fear something, the more powerful the devil born from that fear. The Gun Devil, born from humanity's fear of guns, is among the most powerful entities in the world. The Darkness Devil, born from the primordial fear of the dark that humans have carried since before civilization, is something else entirely. Devils manifest physically and attack humans. The response to this: devil hunters, government-employed agents who hunt and kill devils using conventional weapons, devil contracts, and in special cases, the powers of fiends — devils who have taken over a human corpse — or hybrids, humans who have merged with a devil and can manifest that devil's power voluntarily.
Our protagonist, Denji, is the world's only Chainsaw Man hybrid. He has merged with Pochita, the Chainsaw Devil, his closest friend and companion. When Denji pulls the cord on his chest, he transforms — chainsaw blades erupting from his head and arms, turning him into a weapon of extraordinary violence that can cut through most devils without difficulty and regenerates from almost any damage as long as there is blood available. He is the most physically powerful devil hunter in existence. He is also a sixteen-year-old boy who wants normal things with a desperation that is both funny and heartbreaking.
Complete Story — Scene by Scene, Episode by Episode
Episode 1 — Dog and Chainsaw
The series opens with Denji working. Not in a way that inspires admiration — in a way that inspires pity and a kind of grim respect for a person doing the absolutely necessary work of surviving. He is hunting a small devil with Pochita's help, killing it, and collecting the bounty. The bounty is a few thousand yen — money that goes directly to the Yakuza debt collectors who own his labor. His father borrowed money from the Yakuza before dying, and the debt fell to Denji. At sixteen, he has been paying it back for years through devil-hunting work, through selling organs (the episode casually mentions he has sold an eye and a kidney), and through complete deprivation of any comfort that costs money.
Denji's living conditions are depicted without melodrama but with complete clarity. He sleeps in a shed. He eats whatever he can find or whatever is cheapest. His only real relationship is with Pochita — a small, orange, chainsaw-bladed dog who is, unbeknownst to most people, the Chainsaw Devil in an unusually small and friendly form. Pochita cannot speak (or does not, in this form) but communicates clearly through body language and the specific quality of his presence. He follows Denji everywhere. He shares Denji's terrible meals. He is the one relationship in Denji's life that involves no exploitation or transaction — Pochita is simply there, and Denji is simply there, and they take care of each other.
The episode's central disaster arrives when the Yakuza, under pressure from a more powerful devil, betray Denji. They throw his body into a trash compactor, killing him, and leave Pochita with his remains. At this point, Pochita makes a choice that transforms the story completely: he merges with Denji's heart, replacing it with himself, and revives him. The contract between them, as Pochita explains in a brief, emotionally extraordinary flashback sequence, is this — Denji gets to live, and in exchange, Denji will fulfill Pochita's dream: to live a normal life, to experience everything normal that Denji always wanted.
Denji revives as a hybrid. His first act is to kill every Yakuza in the area with the chainsaw blades now available to him. The violence is extreme and the animation does not soften it — Denji transforms and moves through the Yakuza with the efficient violence of someone who has nothing to lose and no reason to hold back. When it is over, he is covered in blood and standing in a warehouse full of bodies, and the first thing he does is find food and eat it. The pragmatism of this — the immediate refocus on survival basics after what just happened — is one of the episode's most characteristically Chainsaw Man moments.
In the aftermath, Makima finds him. A government official, calm and beautiful, she offers him a choice: die as a devil (which is what the Public Safety Devil Hunters would normally do to a hybrid), or join the Public Safety organization as a devil hunter and live. The condition is that he must obey her completely. Denji agrees immediately — not because he trusts her or has thought through the implications, but because she touches his face gently, and it is the first time anyone has touched him gently in as long as he can remember. This tells you everything you need to know about Denji's history and everything you need to know about his relationship with Makima from the beginning.
Episodes 2–3 — Arrival at Public Safety, Denji Meets His Team
Denji's entry into the Public Safety organization introduces the people who will define his new life. His direct superior is Aki Hayakawa — a tall, serious, deeply competent devil hunter who has been with Public Safety for years and whose personal history with devils has given him a level of professional commitment that goes well beyond the job description. Aki genuinely hates Denji on sight. Not with cruelty or malice — with the specific frustration of a serious person confronted with a non-serious person occupying a very serious position. Denji is sloppy, crude, unfocused, and entirely motivated by trivial personal desires. Aki finds this offensive to the memory of people he has lost, to the profession he has dedicated himself to, and to the basic concept of taking danger seriously.
The third member of the new team's immediate environment is Power — a fiend, a devil who has taken over a human corpse, assigned to work with Public Safety in an arrangement that benefits both parties. Power is the Blood Fiend: she has access to blood manipulation, the ability to create weapons from blood and to use blood both defensively and offensively. She is also completely, catastrophically, entertainingly unreliable as a person. She lies constantly and without shame. She pursues her own interests with zero consideration for anyone else. She is loud, selfish, messy, and has the specific quality of being genuinely terrible in every conventional social sense while also being genuinely, entertainingly herself — a being with no pretense, no performance, no gap between what she feels and what she expresses.
The team dynamic that develops around these three characters is the emotional core of Chainsaw Man Season 1. Denji and Power are chaos agents who operate on impulse and desire. Aki is the serious structure that holds the chaos in a shape that can function. Together, they are terrible as a team by any professional metric and genuinely, specifically important to each other in ways that none of them would ever articulate directly.
Denji's motivations in joining Public Safety are simple and remain consistent throughout the season: he wants to touch a girl's chest, he wants to eat good food, and he wants to have a normal life. These goals sound like jokes — and they are played partly as comedy — but the series is completely honest about what they represent. For someone who has never had anything, the most ordinary pleasures are the things worth fighting for. Denji is not a hero with a great purpose. He is a boy who wants the normal things he was never allowed to have, and that want is the engine of everything he does.
Episodes 4–5 — The Bat Devil and Power's Cat
The first major devil threat of the season involves the Bat Devil — a powerful entity that has captured Power's cat, Meowy. Power, despite her general self-interest, genuinely loves her cat. This is the first moment in the series where her character gains genuine emotional depth beyond comedy: the Blood Fiend who lies and steals and cares about no one turns out to care about a small cat with a completeness that is both surprising and entirely believable. Animals, who do not participate in human social performance, often receive the affection that people like Power cannot navigate giving to other people.
Power makes a deal with the Bat Devil: she will bring it Denji in exchange for Meowy's return. She betrays Denji without significant moral conflict. The Bat Devil nearly kills him. But Denji, after absorbing significant damage, transforms and fights back — and the violence of the Chainsaw Man combat against the Bat Devil is the season's first major action showcase. The chainsaw blades through a giant devil's body, the regeneration, the specific quality of Chainsaw Man's combat style which is raw and aggressive and entirely unlike the technical precision that most anime protagonists exhibit — all of this is established here as the show's action vocabulary.
The aftermath of the Bat Devil fight — Denji retrieving Meowy and returning to Power — contains the season's first explicit moment of genuine character bonding between Denji and Power. He does not punish her for the betrayal. He does not lecture her about loyalty. He is angry, briefly, and then he helps her anyway, because helping her is what allows him to feel like someone who is capable of helping people. This is Denji's actual personality underneath the crude jokes: someone who wants to be the person who comes through for others, because no one ever came through for him.
Episodes 6–7 — Eternity Devil and the Hotel
The Eternity Devil arc is the season's most atmospheric and most psychologically interesting sequence. A team of devil hunters — including Denji, Aki, Power, and several others — are trapped on a single floor of a hotel by the Eternity Devil, an entity that can loop time and space, trapping victims in an infinite corridor from which there is no escape. The devil cannot be killed in the conventional sense because it controls the space — attacking it just allows it to regenerate and the loop continues.
The team's response to being trapped in an infinite hotel corridor is one of the season's best character study sequences. Different members of the group respond differently to hopelessness — some descend into existential crisis, some fall back on professional training and systematic problem-solving, some simply go to sleep and decide to deal with it when there is something to deal with. Denji's response is the most characteristic: he decides that if there is no escape and the devil cannot be killed conventionally, then he will just keep attacking it until one of them runs out first. The devil can regenerate. But so can Denji, as long as there is blood. He will attack the Eternity Devil continuously — not through cunning strategy but through the specific stubbornness of someone who has survived on stubbornness his entire life — until something changes.
He fights the Eternity Devil for three days straight. Not in a blaze of heroic glory. Grinding, exhausting, brutal, three days of continuous combat with almost no rest, sustained by the blood the devil produces when damaged and by the sheer refusal to stop. The Eternity Devil, which was the most psychologically terrifying enemy the team had encountered, is defeated by someone who was simply too stubborn to acknowledge that it was undefeatable. This is Chainsaw Man's most direct statement about Denji's specific form of heroism: not intelligence, not power, not strategy. Persistence. The refusal to stop.
Episodes 8–9 — Katana Man and the Attack on Public Safety
The season's central villain arc begins to reveal itself when a new threat targets the Public Safety organization directly. Katana Man — a hybrid like Denji, merged with the Katana Devil — attacks alongside a group of assassins organized by the Gun Devil's influence. The attack is not random. It is targeted: they want the contract fiends and hybrids of Public Safety, and they want to eliminate specific key personnel.
The attack sequence is the season's most sustained piece of action choreography — a multi-location assault on Public Safety agents that produces several of the season's most visually impressive sequences. The contrast between Denji's combat style (brutal, regenerative, visceral) and Katana Man's style (precise, fast, technically disciplined) is used to develop what a fight between two hybrids looks like when their specific devil natures create different combat approaches. Chainsaw cuts through almost everything. Katana cuts through almost everything precisely. Their initial encounter ends inconclusively, which sets up the eventual rematch as a thematic centerpiece of the season's final arc.
Aki's contracts with his personal devils — the Fox Devil and later the Future Devil — are expanded in these episodes, giving his fighting style more depth than the earlier episodes showed. Aki's approach to devil hunting is the opposite of Denji's: methodical, strategic, built around specific contracts that provide specific advantages at specific costs. His relationship with the Fox Devil — who provides offensive power in exchange for pieces of his body — is one of the season's most interesting power system details, establishing that devil contracts always cost something real.
Episodes 10–12 — Rematch, Makima's Plan, and Season Finale
The season's final arc resolves the Katana Man threat and begins revealing the first edges of Makima's actual nature and agenda. The rematch between Denji and Katana Man is the season's most technically accomplished fight sequence — two hybrids at full capability, each fighting with the specific properties of their merged devil, in an environment that forces both of them to use their transformations to maximum effect. The resolution of the Katana Man fight is both physically satisfying and emotionally significant — it establishes clearly what Denji is willing to do when fighting in defense of people he cares about, which is something beyond what he is willing to do simply for professional obligation.
Makima's scenes in the final episodes begin establishing what the manga eventually reveals fully — that she is not simply a government official who happened to find a useful hybrid. She is something considerably more dangerous, considerably more calculating, and considerably more interested in Denji's specific nature than a professional relationship requires. The specific way she treats Denji — the gentle touches, the specific quality of attention she pays him, the sense that she understands him far better than he understands himself — becomes more unsettling in retrospect as the season establishes the shape of her actual character.
The season finale provides resolution to the immediate threats while opening the first doors of the manga's larger plot architecture. Denji's life at the end of Season 1 is genuinely better than it was at the beginning — he has friends (of a sort), he has a home (of a sort), he has a purpose (of a sort), and he has the ongoing possibility of getting the normal things he wants. The improvement is real. It is also, the series suggests, precarious in ways that Denji does not fully understand yet.
Character Explanation
Denji
Denji is one of the most original protagonists in modern shonen anime. He is not particularly intelligent, not particularly noble, and not motivated by any purpose greater than wanting normal things. His heroism — when it manifests — comes not from grand purpose but from the specific, ordinary desire to be someone who matters to the people around him, because he grew up being no one to anyone. His crude exterior covers a person of genuine warmth who simply has no framework for expressing that warmth in any socially acceptable way. The tragedy of his character is built into his most fundamental relationship — with Pochita, who is now his heart — and the series takes its time revealing the full dimensions of what that relationship costs and means.
Makima
Makima is the season's most carefully constructed mystery — a character whose surface presentation (calm, beautiful, competent, occasionally warm toward Denji) gradually reveals something underneath that is not what it appears. She is the most dangerous character in the series, not because of her fighting capability (though that is extraordinary) but because of the depth of her understanding of and investment in Denji. She sees him with complete clarity. What she plans to do with what she sees is the question that the series builds its entire long-term narrative around.
Aki Hayakawa
Aki is the character whose arc across the series is the most conventionally tragic — a serious, dedicated, genuinely skilled devil hunter whose personal losses drive his professional commitment and whose relationship with Denji and Power transforms him in ways he would not have predicted. He begins the season as a reluctant superior who respects competence and finds Denji lacking it. He ends the season as someone who has found, against his judgment, that he actually cares about these impossible, chaotic people who have been assigned to him.
Power
Power is the series' greatest comedic achievement — a fiend who has all the self-awareness of a small child and none of the social training that shapes how adults present themselves, which means she is completely, authentically, entertainingly herself at all times. But the comedy of her character is always paired with genuine emotional notes: her love for Meowy, her specific relationship with Denji and Aki as something that she would never call friendship but that functions exactly like friendship, her capacity for genuine fear and genuine affection underneath the performative selfishness. She is the argument that authenticity is more interesting than social performance, even when the authentic self is chaotic and unreliable.
Pochita
Pochita is the emotional heart of Chainsaw Man in the most literal sense — he is Denji's heart, the physical core of his hybrid body. His backstory — the Chainsaw Devil who became the most feared entity in the devil world before taking the small, friendly form that Denji found — is revealed gradually across the series. His relationship with Denji is the series' most important relationship and the one that gives everything else its emotional foundation. The bread scene in the first episode, the small gestures of care between them, the specific quality of what they meant to each other before the merger — all of this underlies every subsequent story beat.
World Building and Terminology
Devils: Supernatural entities born from human fears, manifesting physically in the world. The more humanity fears something, the more powerful the corresponding devil. They have hierarchies and relationships with each other, and some devils are willing to make contracts with humans.
Fiends: Devils who have taken over a human corpse. They retain some of the human body's form while having devil consciousness and abilities. Power is a fiend.
Hybrids: Humans who have merged with a devil and can manifest the devil's power voluntarily while maintaining human consciousness. Denji is a hybrid. The distinction between hybrid and fiend is that hybrids retain their human consciousness as the dominant personality.
Devil Contracts: Agreements between devils and humans that provide the human with access to devil power in exchange for a cost — which can be body parts, lifespan, sensory capacity, or other personal sacrifices. Aki's contracts are the season's primary example of this system.
Public Safety Devil Hunters: Government employees who hunt devils. They are divided into different divisions with different specializations. The division Denji joins is one of the most dangerous, dealing with the most powerful devil threats.
The Gun Devil: The most powerful devil in the world's history, born from humanity's fear of guns. Its full manifestation once killed hundreds of thousands of people in a matter of minutes across multiple countries simultaneously. It is the ultimate threat that Public Safety has been working toward addressing since its manifestation years before the story begins.
Themes and Symbolism
Ordinary Desire as Heroic Motivation: Denji's motivation — wanting the normal things he was denied — is treated by the series as genuinely valid and genuinely moving. The show refuses to elevate his desires into something grander or more noble than they actually are, and this refusal is what makes them emotionally resonant. The most ordinary things are what he fights for, and the most ordinary things are what he most deserves.
The Cost of Survival: Every character in Chainsaw Man has paid for their survival — Denji with his organs and his childhood, Aki with pieces of his body and his future, Power with her original existence. The world demands payment for everything, and the series is honest about this in a way that does not romanticize sacrifice but also does not ask its characters to stop fighting simply because the cost is real.
Connection as the Point: The series' most consistent emotional argument is that the specific connections between these specific characters — Denji, Aki, and Power — are the thing that makes survival worth the cost. Not grand purpose, not the fate of humanity, not professional achievement. The small, genuine, often unarticulated care between these three people is what the series ultimately argues is worth protecting.
Highlights
The Eternity Devil Arc: Three days of continuous combat as a solution to an infinite loop — the most creatively executed expression of Denji's specific form of heroism in the season.
Every Ending Song: MAPPA's decision to produce a different ending song and sequence for every episode is one of the most celebrated production choices in anime history, each one reflecting the tone and emotional content of its episode in different musical genres and visual styles.
The Pochita Merger Flashback: The brief, emotionally extraordinary sequence in Episode 1 where Pochita merges with Denji and they make their exchange of wishes — executed with minimal dialogue and maximum emotional impact.
Conclusion
Chainsaw Man Season 1 is one of the finest single seasons of anime produced in the 2020s. MAPPA's production brings Fujimoto's distinctive vision to life with complete fidelity — the violence is genuinely violent, the humor is genuinely funny, the emotional moments are genuinely affecting, and the mystery of what Makima actually is and what she wants is built with the patience and the precision of a storyteller who knows exactly where the story is going. Denji, Power, and Aki are among the most memorable character trios in recent anime, and their specific, strange, completely genuine relationships with each other are the emotional foundation on which everything else is built. Watch it. Feel the bread scene. Everything follows from there.
FAQ
Q1: What is Chainsaw Man about in simple terms?
A: A teenage devil hunter named Denji merges with the Chainsaw Devil and gains the ability to transform into Chainsaw Man. He joins a government devil-hunting organization and tries to achieve normal life goals while fighting supernatural threats. The series is dark, violent, genuinely funny, and emotionally honest about what survival costs.
Q2: Is Chainsaw Man appropriate for younger viewers?
A: No. The series contains graphic violence, gore, and mature thematic content. It is rated for mature audiences (17+).
Q3: Who is Makima really?
A: The full answer to this question is revealed across the manga's first part (which Season 1 adapts the beginning of) and should be experienced in the story rather than summarized here.
Q4: Why does Denji want such ordinary things?
A: Because he has never had them. His entire life has been defined by deprivation — of food, shelter, comfort, and human connection. The ordinary things he wants are extraordinary to him because they have always been inaccessible.
Q5: What happened to Pochita?
A: Pochita became Denji's heart — literally, physically his heart — through the merger that revived him. Pochita's consciousness is not gone, but his form is now internal rather than external. Their relationship continues in a different form than before.
Q6: Will there be a Season 2?
A: The Chainsaw Man film covering the Reze Arc has been announced. Further television seasons covering subsequent manga arcs are expected. Check current announcements for the most up-to-date information.
Q7: How does Denji's regeneration work?
A: As long as Denji has access to blood — either his own or blood from the battlefield — he can regenerate from almost any damage. The chainsaw transformation requires pulling the cord on his chest (which requires him to have sufficient blood). His regeneration has limits, but they are much higher than any human being's natural recovery capacity.
Q8: Is the manga significantly different from the anime?
A: The anime is a faithful adaptation of the first part of the manga. The visual style is different — Fujimoto's manga art has a distinctive rough quality that the anime's cleaner aesthetic does not fully replicate — but the story content is very close to the source material.
Q9: What makes the ending songs special?
A: Each of the 12 episodes has a completely unique ending song performed by different artists in different musical genres — from rock to jazz to folk to electronic music. Each ending is thematically connected to its episode's emotional content. The decision to produce 12 unique endings rather than one repeated ending is one of the most acclaimed production choices in recent anime history.
Q10: Where can I watch Chainsaw Man?
A: Crunchyroll has simulcast and streaming rights for most regions. Some regions have additional streaming options. Both sub and dub are available.
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