The cinema audience was given only a few minutes to adjust. The perspective immediately shifted back to Tanjiro, groggy and barely conscious, waking to find Giyu using a heated blade to cauterise his wound and stop the bleeding. The smell of scorched flesh carried through the scene. The crow continued its report, announcing that Kanao and Inosuke had defeated Upper Rank Two.
Then the film's perspective split across multiple locations simultaneously.
To the battle site where Mitsuri, Obanai, and others had cornered Nakime. And to where Mist Hashira Muichiro Tokito stood facing Upper Rank One Kokushibo.
Shiori, along with most of the audience in the theatre, was fully submerged in the film's momentum. The atmosphere had become dense with tension.
The plot escalated into overlapping battles.
Muichiro encountered Kokushibo, who claimed to be his direct ancestor. Muichiro fought with everything he had, but only managed to force Kokushibo to draw the blade he had used as a human Demon Slayer Corps member, along with his breathing technique. Moon Breathing. Genya Shinazugawa's attempt at a surprise attack failed. He was wounded badly. His brother, Wind Hashira Sanemi Shinazugawa, arrived and pulled him back.
The battle structure of Demon Slayer followed a pattern that was common to many series in this genre. Characters from both sides appear. The protagonist gains a slight advantage. The villain grows frustrated and releases their full capability. The protagonist's side falls into apparent hopelessness. Then both sides' memories surface. In most series this would result only in a power surge for the protagonist's side. In Demon Slayer, the villain's human memories carried equal or greater emotional weight.
Even knowing the structure, the audience was pulled in regardless.
Kokushibo's strength was beyond question. Even after the Wind Hashira's own power surged through the force of his determination, he was still comprehensively overwhelmed.
Shiori found her fists clenched without having decided to clench them.
Demon Slayer's plot was not structurally complex. Even young children could follow it. Its strength had always lain in character development and the ease with which it drew the audience into its emotional current.
At the critical moment, Stone Hashira Gyomei Himejima arrived.
Among all the Demon Slayer Corps Hashira, he was genuinely the strongest. Even with both his teammates already badly injured, Gyomei fighting alone managed to hold Kokushibo, who had overwhelmed the Wind Hashira and Mist Hashira with apparent ease, to a temporary standstill.
The first moment that hit the hardest in this battle came from Genya Shinazugawa. Cut clean through at the waist, his body divided, he still dragged himself forward and pleaded with the Mist Hashira, who had just barely recovered enough to move, to help him with his remaining body. He even desperately consumed fallen strands of Kokushibo's hair to push his own abilities further, driven by a single purpose: to help his brother in this fight.
Gyomei and the Wind Hashira both awakened their Demon Slayer Marks during the battle.
The combat sequences filled the screen with visual detail that could only come from Illumination Production Company's more than two years of accumulated production work. In terms of pure viewing experience, the second Infinity Castle Arc film provided a significantly richer experience than the first part.
In the cinema, time moved steadily through the battle's unfolding. The Mist Hashira pinned to a pillar. The Wind Hashira entering the fight and falling quickly. Gyomei arriving, buying recovery time for both of them while holding Kokushibo alone, then activating his Demon Slayer Mark knowing the price. Gyomei was past twenty-five. For him, activating the Mark meant it would consume him, and his death was a certainty following its use.
Even with the combined efforts of the Wind Hashira and the Stone Hashira, they were still being pushed to the edge of defeat.
Then the recovered Mist Hashira rejoined the fight. Genya Shinazugawa readied himself in darkness for one last attack.
Shiori's pulse had quickened considerably.
As the battle reached its most extreme intensity, the film moved into Kokushibo's memories.
The scene of Kokushibo, after becoming a demon, encountering his human brother for the last time. Yoriichi Tsugikuni. An old man who could barely remain standing. And in that encounter, Kokushibo, with all his centuries of power, was defeated in a single move.
From this the film introduced the true upper limit of what this world contained. A portion of Yoriichi Tsugikuni's history.
Then the most decisive moment of the entire battle arrived.
Kokushibo, having finally released every restraint, also transformed into a monstrous form beyond what he had shown. He had already begun to gain the upper hand. But in that moment he saw himself clearly. Hundreds of years of existence. Hundreds of years of chasing his brother's shadow, growing stronger and stronger and still stronger, only to arrive at this. An unrecognisable monster.
His conviction fractured.
His purpose had been to become the greatest swordsman. Not this. Not an indestructible creature that could not even be killed by decapitation and thrashed in the darkness trying to regenerate.
It held across all three of the Upper Ranks.
Akaza's will had broken because he recalled the promise he had made to his wife in his human life and could not bear having betrayed it. Doma's had simply never existed, too hollow to generate even a basic survival instinct. And Kokushibo, only when fighting at the fullest reach of his power, finally saw the thing his own body had become.
An immortal, indestructible monster. Nothing like the image of himself he had held for centuries.
After the flashback of Kokushibo and Yoriichi concluded.
"After abandoning everything, did I still fail to surpass Yoriichi?"
The film's end came with that news spreading through the Infinity Castle. The deaths of Muichiro and Genya Shinazugawa. And with the Stone Hashira having activated his Mark, his own death was already only a matter of time.
The two-hour-plus film finally reached its closing frames.
With this, the top three Upper Ranks in Demon Slayer: Kimetsu no Yaiba had all been slain.
Every fan in the audience knew what the only remaining path was.
The final battle with Demon King Muzan.
Shiori walked out of the cinema with a dazed expression.
Her emotions were still entirely submerged in the final battle.
"How many people died in this movie? Even little Muichiro died. He was only fourteen. Shirogane-sensei, are you even human?"
She had known before coming that the second Infinity Castle Arc film would be devastating. The psychological preparation had made no difference.
"Sigh." She let out a long breath.
Thinking about the Infinity Castle Arc Part Three film, which would release during the New Year holiday season two years from now, she already felt a knot forming in her stomach. No more tragic deaths. Please, no more. If this kept going, how many characters would be left alive by the time this anime concluded?
On New Year's Day, around noon, the first wave of viewers began emerging from the theatres.
Then Demon Slayer-related terms began climbing the trending searches one after another.
Shinobu Kocho's last words. Muichiro's death in battle. Kokushibo destroyed by his own ugliness. The true strength of the Stone Hashira.
In high-energy action series, fans loved nothing more than debating combat power rankings alongside the plot. Everyone had originally assumed that any of the top three Upper Ranks could comprehensively overwhelm a Hashira-level swordsman. After watching this film, the Stone Hashira's standing among fans had risen dramatically. Many even argued that fighting either Upper Rank Two or Upper Rank One alone, he might have come out on top.
Beyond the combat power arguments:
"Brothers, cherish what you watch. I give the second Infinity Castle Arc film the highest praise, but it was genuinely painful to sit through."
"The deaths were too much. Everyone who survived came out missing an arm or a leg. What is Shirogane-sensei thinking?"
"The dying conversation between Muichiro and his brother Yuichiro was what destroyed me completely."
"The plot of Demon Slayer is so simple, just battles and flashbacks, protagonist and antagonist, I've seen this structure countless times, and I still cry. Every single time."
"Yuichiro and Muichiro, Genya and Sanemi, two pairs of brothers in this battle. I wonder if there will be a reversal in the third film. I really hope that after Muzan is defeated, some miraculous medicine or item allows all the fallen characters to come back."
"What are you thinking? Shirogane-sensei would never write that kind of plot."
"Shinobu Kocho's story is also heartbreaking. Why is no one talking about it?"
"Because Shinobu clearly died in the first part. Everyone had already built up emotional armour for the final disappearance of her will in the second part. But Muichiro dying at Kokushibo's hands, that was genuinely unexpected."
"Either way, I'm recommending this film to everyone."
"Better than the first one."
"I agree. The first part's pacing was too compressed. Many sections felt artificially rushed. The second part is longer and the rhythm is clearly much smoother."
"I just want to know what the final box office will be."
"Higher than the first one. Definitely, absolutely, without question."
Online discussion of Demon Slayer: Kimetsu no Yaiba ran without pause from morning through the night.
In major cinemas across Japan, nearly every screening slot for Demon Slayer was sold out, including corner seats being taken by people watching for the second time.
The first-day box office tracking told its own story. From 4 billion yen in pre-sales, past 6 billion yen by noon, reaching 8 billion yen by three in the afternoon, 10 billion yen by six in the evening, and by nine o'clock at night, the single-day box office had exceeded 12 billion yen.
Among the concurrently released films, the second-highest earner was a fantasy production with a first-day total of just over 6 billion yen. Rei's other film, My Neighbor Totoro, took in approximately 3.76 billion yen on its first day, ranking fourth across the full release window.
Across the entire New Year holiday release slate that day, the total combined first-day box office exceeded 26 billion yen. Demon Slayer, with twenty-seven percent of the first-day screening allocation, had contributed fifty-three percent of the entire day's total box office.
When these figures were released, even the many industry professionals who had made similar projections went quiet for a moment.
Could it really be this extreme?
Among the seven films released during the holiday window, Demon Slayer opened with a score of 9.8 out of 10, and My Neighbor Totoro opened at 9.4. In terms of critical and audience reception, the top two highest-rated films among the seven were both Shirogane's.
Shirogane. Are you trying to dismantle Japan's film industry entirely?
For the past four or five years, without exception, whenever a Shirogane film released, it dominated its box office window with complete advantage. The pattern had reached the point where major productions in the live-action film industry changed their release strategies at the mention of his name. Whenever his works were scheduled, serious productions chose to stay out of the same window.
This year's New Year holiday season had been unavoidable. The release window was large enough that no individual film could simply yield the entire period. Everyone had thought that even with the gap in quality, it could not be completely outrageous. If Shirogane's film encountered any plot issues, there were other tools available to even the competition. Let this young figure in the industry understand how deep the water was.
Instead, the second-highest-earning film on day one could not even reach half of Demon Slayer's single-day total.
Complete dominance. What was there to even compete for?
And now with My Neighbor Totoro generating this level of word-of-mouth, even the runner-up position in the holiday window might not be secure for anyone else.
The competing productions had various thoughts. The cinema chains moved quickly. The seven films had each been allocated over ten percent of the first-day screening slots as a baseline, out of consideration for the promotional investments each had made.
On the second day of the New Year holiday release window, each film was left to its own merit.
Demon Slayer: Infinity Castle Arc Part Two's screening allocation jumped from twenty-seven percent to forty-four percent on the second day. My Neighbor Totoro's allocation increased from ten percent to twelve. The two percent gains had naturally been redistributed from the other five films.
At three in the morning, Rei was still coordinating with Shirogane Animation and Illumination Production Company staff by phone. Most employees had returned home for the holiday, but animation directors and promotional operations personnel still needed to appear online from home to support the films' continued visibility.
"Looking at this, the New Year holiday box office champion will definitely be Demon Slayer."
Miyu walked over to Rei's side in her pajamas.
Rei noticed her slightly rounded abdomen and immediately got up to bring her a chair.
"You should sleep. I'll come after I finish this section."
"It's the middle of the night and the city's fireworks are too loud to sleep anyway." Miyu laughed softly. "Besides, the internet is praising your Demon Slayer Part Two so much that I'm too excited to sleep either."
Rei thought for a moment, then smiled. "Just tonight. Tomorrow during the day, you must rest and not work. If the manga schedule falls behind, I'll be your assistant and help with the original drafts."
"Understood." Miyu smiled.
The two of them looked out at the night sky.
In the Tokyo night, neon lights glowed in the distance, and fireworks and firecrackers continued going off across many neighbourhoods.
This was one way Japan differed from the world Rei had known in his previous life. At least here, fireworks and firecrackers had not been banned for the New Year celebrations.
"It's another New Year." Miyu took his hand.
"Next year, our child will be able to welcome the New Year with us."
"Yes." Rei said it quietly.
"Sometimes, looking back, it feels like the moment I first met you was just yesterday. But eight or nine years have passed in a flash."
"Speaking of time flying. By the way, Rei, are you really not going to change Demon Slayer's ending? You know, after the child is born they'll grow up fast, and they'll definitely grow up watching your works. You should at least make an anime full of warmth and goodness without any heartbreaking plot. I don't want to have to explain to our child why Daddy insists on making everyone cry."
"I'm working on it." Rei smiled.
"After the second Infinity Castle Arc film finishes its run, it'll be Bleach. I can't say much about what comes after that with Naruto, but for Bleach..." Rei closed his eyes briefly, then smiled.
"In that anime, the main characters are basically all still alive by the end."
"Really? Why do I feel like you're lying to me again."
"Then you'll just have to watch the Bleach anime when it airs to find out for yourself."
Miyu went quiet for a moment, then rested her head on his shoulder.
"I'll believe you this once."
For the New Year holiday release window, first-day box office results generally determined the full-period rankings. In the days that followed, there was no reversal across the market.
During the critical first seven days of the holiday window, Demon Slayer: Infinity Castle Arc Part Two dominated every competitor with a total box office of 48 billion yen.
The second-ranked film managed a total of 24 billion yen across the same period. The entire market had been drawn almost entirely toward Demon Slayer.
Worth noting was that My Neighbor Totoro, carried entirely by word-of-mouth, climbed to third place in the period's rankings with a first-seven-day total of 19 billion yen.
A film's full theatrical run generally produces two to three times its first-week total.
Spring arrived. Time entered late February.
The promotional campaigns for the Demon Slayer and My Neighbor Totoro films were winding toward their conclusions. Employees at subsidiary companies gradually returned from the New Year holiday, and Rei and Miyu had a rare stretch of comparative rest, even as Demon Slayer's online discussion remained strong and market interest in Rei remained high.
Rei did not appear in public nearly as often as he had in the weeks before the New Year. After all, this was not his first animated film release. He could estimate the box office trajectory and reception before a film even opened. In any case, Demon Slayer's box office was not the most important metric. Within one or two years of the film's release, the work's popularity would experience a renewed surge, and revenue from merchandise would substantially exceed the film's box office total.
After the holiday, Shirogane Animation's operational focus began shifting toward Demon Slayer-related merchandise and copyright cooperation agreements.
February concluded under these conditions.
Time came to March.
...
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