Film: Chainsaw Man — The Movie: Reze Arc
Studio: MAPPA
Format: Feature Film (theatrical)
Status: Announced / In Production as of 2025
Genre: Action, Dark Fantasy, Horror, Romance
Based on: Manga by Tatsuki Fujimoto — Chapters 40–52 (Reze Arc)
Introduction
The Reze Arc is widely considered one of the most emotionally devastating sequences in Tatsuki Fujimoto's Chainsaw Man manga — a story that takes everything the series established about Denji's specific desires and emotional vulnerabilities and builds around them the most genuinely cruel narrative trap in the series' first part. After the chaotic, violent, darkly comedic establishment of Season 1, the Reze Arc arrives as something different: a story about what happens when someone who has spent their entire life without love is offered what looks exactly like it, and what the cost of that offer turns out to be.
Reze is a bomb hybrid — a human merged with the Bomb Devil — who is introduced as the most emotionally significant character Denji encounters outside of Makima. She appears during a rainstorm, rescues Denji from a trivial situation, and begins a relationship that develops with the specific, careful warmth of two young people finding in each other something genuine. She is, as the arc reveals, an assassin sent by a foreign power to eliminate Chainsaw Man and extract Denji's heart — the Chainsaw Devil's heart — for their own purposes. She is also, as the arc makes devastatingly clear, someone who may have started feeling something real in the process of the deception.
The film adaptation of the Reze Arc represents MAPPA's commitment to giving this story the visual and emotional treatment it deserves — a theatrical format allowing for the sustained, careful pacing that the romance dimension of the arc requires and the spectacular animation that the bomb devil combat sequences demand. The Reze Arc is twenty-four chapters of the manga's first part condensed into what will be one of the most visually and emotionally ambitious anime films of its release period.
This guide covers the complete story of the Reze Arc as it exists in the manga source material, including every scene, every character development, every combat sequence, and every emotional beat of the story that the film will adapt.
Complete Story — Scene by Scene
The Meeting: Denji and Reze in the Rain
The arc opens with Denji in a mundane situation — standing in the rain, soaked, in the kind of circumstances that have characterized his everyday life since joining Public Safety. Not a devil fight. Not a mission. Just being a teenager caught in bad weather. He takes shelter in a coffee shop, and it is here that he meets Reze for the first time.
Reze is working in the coffee shop as a server. She is approximately Denji's age — in her teens — with short dark hair, a gentle smile, and the specific quality of warmth that immediately distinguishes someone who is genuinely interested in you from someone who is simply being professionally pleasant. She engages with Denji in the easy, natural way of someone who finds him interesting, and for Denji — who has almost no experience being found interesting by girls his age, who has never had a romantic relationship, who has the specific combination of desperate desire for connection and complete inexperience with how to form it — this is extraordinary.
The rainstorm keeps Denji in the shop longer than he planned. Reze keeps the conversation going. By the time the rain clears, something has been established between them — not a formal relationship, not even an explicit indication of mutual interest, but the specific electric quality of two people who have found something in each other that they were not looking for and cannot entirely dismiss.
Denji returns to the coffee shop. Again. And again. He does not tell Aki or Power about Reze. He barely tells himself about Reze. He just keeps finding reasons to go back to the coffee shop where she works, and she keeps being there, and what develops between them is, by the standards of Denji's life, something he has no previous experience navigating.
The Date: What Denji Wants
The date sequence between Denji and Reze is one of the manga's most affecting sections — two young people doing normal things together, experiencing the specific pleasure of someone's company in a way that has nothing to do with survival or professional necessity. They go to a fair. They ride rides. They eat food. They talk about things that do not matter and matter enormously simultaneously because the talking itself matters — the specific quality of being with someone who is interested in what you say and how you say it.
Denji, who has wanted the most ordinary things for his entire life, is experiencing the most ordinary thing. A date. With a girl who seems to like him. In a normal setting where nothing is trying to kill either of them. For a boy whose idea of a good day has historically been finding enough food and not dying, this is extraordinary. His internal state during the date — his genuine happiness, his complete inexperience with what to do with that happiness, his specific hopeful uncertainty about whether any of this is real — is rendered with the specific emotional accuracy that makes Fujimoto one of manga's most talented writers of genuine human feeling.
Reze during the date is the arc's most carefully constructed dramatic irony. The audience knows, through the manga's framing, that she is not who she appears to be. She is an agent of a foreign power, sent specifically to get close to Denji and eventually eliminate Chainsaw Man. Her warmth toward Denji is, at minimum, professionally motivated. But — and the arc builds this question with complete deliberateness — is it only professionally motivated? Is what she expresses during the date purely performance, or is something else happening in the space of actually spending time with this specific, specific person?
The Attack: Reze's True Nature
The romantic idyll is interrupted with the specific suddenness that Chainsaw Man uses for its most significant tonal shifts. Reze drops her server persona. She reveals her hybrid form — the Bomb Devil's power manifest in her body, giving her the ability to generate and detonate explosions of extraordinary force. Her combat capability, which she has been carefully concealing behind the gentle coffee shop worker presentation, is revealed to be one of the most destructively powerful in the series.
The attack is targeted: she is here for Denji's heart. The Chainsaw Devil's heart, which resides in Denji's body, is something that her employers want. The mission is to take it and eliminate Chainsaw Man. Her warmth during the date — the coffee shop, the fair, the conversation — was the preparation for this. Get close. Build trust. Execute.
Denji's reaction to the revelation is one of the arc's most emotionally complex moments. He is hurt. Not simply physically — the combat is brutal and he takes significant damage. He is hurt in the more fundamental sense of someone who dared to hope for something normal and has the hope removed in the most direct and most violent way possible. He has had things taken from him his entire life. He is used to that. This is different. This was hope, specific hope, and it has been taken too.
He transforms. Chainsaw Man engages the Bomb Devil in combat that is, technically, one of the series' most spectacular fight sequences. The specific interaction between chainsaw and explosion — two destructive forces, each capable of canceling or amplifying the other depending on circumstance — produces a battle with visual and tactical complexity that goes beyond most of the series' combat encounters.
The Interruption: Kishibe and the Aftermath
The battle is interrupted by Kishibe — one of Public Safety's most experienced and most capable devil hunters, who has been aware of Reze's presence and assignment longer than he has shared with his subordinates. His intervention changes the outcome of the initial conflict and sets up the arc's central development: Reze escaping, wounded, and Denji's situation in the aftermath being complicated by what he feels about what happened.
What Denji feels is the arc's most important question. He knows now that Reze was sent to kill him. He knows the warmth of the date was professionally motivated. He knows, in the most direct possible terms, that what he experienced as connection was at least partially deception. And yet — the specific and somewhat ridiculous fact remains that she was genuinely kind to him, even if instrumentally. That the date was real, even if its context was not. That in the specific moments of the fair and the coffee shop, whatever she was feeling, it was the most human experience he had had in years.
He goes looking for her.
The Second Encounter: What Reze Feels
The arc's central question — whether Reze's feeling for Denji is genuine or entirely performed — is answered in the second encounter between them. Finding Reze, wounded and in hiding after the first battle, Denji does not attack her. He does not accuse. He does not perform the hurt he feels. He is simply there, in the specific, helpless way of someone who knows they are doing something that makes no conventional sense and cannot stop themselves from doing it anyway.
Reze's response to his presence — her actual response, unguarded because she did not expect him to find her, because the situation is not one where performance serves any purpose — is the arc's most revealing character moment. What is in her face when she sees him is not threat calculation or mission assessment. It is something considerably more complicated and considerably more human than either of those things.
The conversation they have — halting, honest in ways that professional training does not entirely account for, navigating what both of them actually feel in a situation where both of them have reasons to not feel what they feel — is Fujimoto writing at his most precise and most emotionally devastating. Two people who should not care about each other, caring about each other, in circumstances that make the caring effectively meaningless in terms of outcome.
They make a plan. An impossible plan. She will leave the mission. He will leave Public Safety. They will go somewhere neither organization can reach them and they will have the ordinary life that Denji has always wanted and that Reze, it emerges, has never had either. It is a plan that neither of them can actually execute. They both know this. They agree to it anyway because sometimes hope requires you to pretend the impossible is possible long enough to feel it.
The Final Battle: Makima's Agents and the Arc's Conclusion
The impossible plan is destroyed by forces neither Denji nor Reze can resist. Makima's agents — sent specifically to address the Reze situation — arrive at the location where Denji and Reze have agreed to meet. The agents include hybrids of considerable capability and the specific tactical advantage of having been sent by someone who planned this outcome with more information than either Denji or Reze had.
Reze fights — not to complete her original mission, not in service of her employers, but to get to the meeting point. To get to Denji. To have, even briefly, the thing they agreed to reach for. The battle through Makima's agents is one of the arc's most spectacular combat sequences — a Bomb Devil fighting at maximum output through opposition designed to stop her, while Denji fights from a different direction through the same opposition for the same goal. They are fighting toward each other. This is what they are each fighting for.
The arc ends before they reach each other. Makima's specific intervention — which the film will adapt with the full weight of what it reveals about her character and her specific interest in Denji's emotional state — closes the arc in the way that Chainsaw Man most characteristically closes arcs: not with resolution but with devastation, and not with cheap devastation but with the specific, earned devastation of a story that built genuine feeling and then showed what the world does with genuine feeling when the world is not interested in allowing it.
Denji returns to Public Safety. To Aki and Power. To the normal-adjacent life that is not what he wanted but is what he has. He is sadder. He has lost something specifically, not in the general way he has always lost things but in the specific way of someone who briefly, clearly, completely understood what they wanted and then watched it be taken away. He keeps going. Because he keeps going. That is what Denji does. The bread in the garbage can, again, but now he knows what else is possible, and the knowing changes what the going on costs.
Character Explanation
Reze
Reze is the arc's most carefully constructed character — someone whose true nature is revealed gradually in a way that never fully resolves the central question of how genuine her feeling for Denji was. She is a professional who was sent to do a job. She is also a person who had, in the course of doing that job, something happen that her professional training did not prepare for. The arc refuses to fully resolve whether her feeling was real because that refusal is the honest answer: she herself did not fully know, and the circumstances were destroyed before she could find out. She is the series' most haunting character because she is the embodiment of a possibility destroyed before it could be tested.
Denji's Vulnerability
The Reze Arc is the series' most extended and most direct engagement with Denji's specific emotional vulnerability — the specific way that his deprivation of love and connection has made him someone who will reach toward anything that resembles them without sufficient self-protection. His decision to find Reze after learning she was sent to kill him is not stupidity. It is the specific behavior of someone who has had so little that even a compromised version of connection is worth pursuing. This is both moving and deeply sad, and the arc is honest about both dimensions.
Makima's Role
Makima's specific intervention in the arc's conclusion — and what it reveals about her interest in Denji's emotional landscape — is the Reze Arc's most important contribution to the series' larger narrative. She is not simply managing a security threat. She is managing Denji in a specific way, with specific goals that the full series eventually makes explicit. The Reze Arc is, from Makima's perspective, a specific operation with a specific objective that has nothing to do with the bomb devil threat.
World Building and Terminology
Bomb Devil Hybrid: Reze's hybrid form gives her the ability to generate and detonate explosions of controlled force. Unlike conventional explosions, her technique allows for precise application — she can create detonations at specific points on her body or at short range with surgical accuracy. Her combat style combines this explosive capability with the enhanced physical performance of a hybrid body.
Foreign Devil-Hunting Organizations: The Reze Arc introduces the existence of international organizations that operate parallel to Japan's Public Safety — other countries have their own devil-hunting and devil-exploitation programs, with different philosophies and different objectives. Reze's employers represent one such organization, whose specific interest in the Chainsaw Devil's heart reflects a broader international intelligence dimension to the devil-hunting world that Season 1 did not explore.
Kishibe: One of Public Safety's most experienced devil hunters, introduced in the Reze Arc as someone with extensive knowledge of the international devil-hunting landscape and the specific situation that Reze represents. His character becomes more significant in subsequent arcs.
Themes and Symbolism
The Cost of First Love: The Reze Arc is, fundamentally, a first love story — and specifically, a story about what first love costs when it happens to someone who has been denied ordinary human connection for their entire life. Denji's vulnerability to Reze is not a character flaw. It is the direct consequence of what he is and what he has been through. The arc's devastation is so complete because it takes the most ordinary human experience — falling for someone — and shows it happening to someone for whom the ordinary is extraordinary, and then removes it in the most permanent way.
Genuine Feeling in Manufactured Situations: The question of whether Reze's feeling for Denji was real — manufactured by mission requirements, made genuine by the specific quality of actually spending time with him, or some combination of both — is the arc's central thematic question and the one it most deliberately does not answer. The series argues that the question cannot be answered, because the situation was destroyed before the feeling could be tested. This is the cruelest thing about the arc: not the destruction itself, but the permanent uncertainty about what was destroyed.
Highlights
The Fair Sequence: Two young people doing ordinary things together, rendered with the specific, careful warmth of a creator who understands that ordinary joy is the most precious and most fragile thing. The fair sequence is the arc's emotional heart and the sequence that makes everything else hurt as much as it does.
The Bomb Devil Combat: Reze's combat sequences — particularly the final battle toward the meeting point — are the arc's most visually spectacular content, deploying explosion-based hybrid combat with the creative specificity that MAPPA's animation brings to all of the series' significant fight sequences.
The Second Encounter: Denji finding Reze after learning she was sent to kill him — the conversation they have, the plan they make, the specific quality of hope that both of them invest in something that neither of them believes is actually possible — is the arc's most emotionally extraordinary sequence and the one that most completely demonstrates Fujimoto's specific genius for writing genuine human feeling in impossible circumstances.
Conclusion
The Chainsaw Man Reze Arc film represents the adaptation of what many manga readers consider the most emotionally devastating sequence in Chainsaw Man's first part. It is a love story told in a horror context, which is both the specific genius and the specific cruelty of Fujimoto's approach. Reze is the most tragic character the series introduces — not because her ending is violent, but because the question of what she actually felt is never answered and can never be answered. And Denji, after the arc's conclusion, is a person who knows something he did not know before: what it feels like to want something specific rather than something generic. The wanting has a shape now. The shape is her. And she is gone.
FAQ
Q1: Is the Reze Arc film released as of 2025?
A: The film has been announced by MAPPA. Check current release announcements for theatrical and streaming dates in your region.
Q2: Do I need to watch Chainsaw Man Season 1 first?
A: Absolutely yes. The Reze Arc occurs after the events of Season 1 and assumes familiarity with Denji, Aki, Power, Makima, and the world established in that season.
Q3: Is Reze a villain?
A: She is an antagonist in the structural sense — she was sent to kill the protagonist — but the arc deliberately complicates this categorization by developing her as someone whose genuine character does not reduce to simple villainy.
Q4: Why does Denji go back for Reze even after she attacks him?
A: Because the specific quality of what she offered him — warmth, genuine interest, the experience of being someone's person — is something he has never had and cannot simply dismiss because the circumstances were wrong. His going back is not rational. It is the specific behavior of someone whose emotional deprivation makes them willing to reach toward any form of connection.
Q5: What happens to Denji after the Reze Arc?
A: He continues with Public Safety, continues his relationships with Aki and Power, and enters the subsequent arcs of the manga's first part carrying the specific weight of what the Reze Arc cost him. The arc changes him in ways that the story continues to develop.
Q6: Is Reze based on any specific character archetype or reference?
A: Fujimoto's character design and emotional construction for Reze reflects his broader interest in characters who are shaped entirely by circumstances they did not choose and who have genuine human feeling that their circumstances do not accommodate. She is one of his most complete expressions of this recurring thematic interest.
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