Rei was pulled out of sleep by his alarm at 5:00 AM.
He had gone to bed deliberately early the night before and was still barely functional at this hour. He pushed through the shower and grooming routine, dressed in something appropriately formal, and was ready by the time the makeup artist arranged by Hoshimori Group arrived.
It was the current reality of his position. The most prominent creator in Japan's anime and manga industry, twenty-one years old, and presentable enough that Hoshimori's public relations instincts took over whenever a camera was involved.
Rei had no particular feelings about this. Hoshimori made the arrangements. He showed up.
By 8:00 AM, with his hair done and the makeup artist satisfied, Rei arrived at the venue.
A stadium. Capacity for a thousand people.
The mobile equipment that normally occupied the floor had been shifted to the perimeter. The surrounding walls were covered in oversized printed pages from the Demon Slayer manga. Shinobu Kocho, Giyu Tomioka, Tanjiro, Nezuko, Zenitsu. And on the stadium floor itself, positioned so that it was the first thing anyone saw upon entering, a full-scale poster of Kyojuro Rengoku.
"The film is performing the way it is, so the group is treating this event accordingly. Fans have been queuing outside since 1:00 AM. You are going to have a long day," Misaki said.
She was standing beside him in a black suit, hair in a ponytail, sunglasses on. She looked considerably more composed than the occasion seemed to require.
Not far from where they stood, staff members were arranging stacks of Demon Slayer volume three tankōbon on shelves near the entrance. Fans would purchase their copies on the way in and bring them to the signing table.
Rei looked at the stacks. Counted. Looked again.
"That is more than four thousand. It might be more than five thousand."
He had done signings before. At his best pace, he could manage three to four hundred books per hour. Previous events had been scheduled for four to five hours and that had been enough. This volume was a different kind of problem.
"It cannot be helped. This is just where Demon Slayer's popularity currently sits," Misaki said, with a smile that Rei found only partially sympathetic. "Show some consideration for the fans who have been outside since one in the morning. It is summer, but it is still cold at that hour."
"..."
"Get it out of your system now. Once the signing begins, keep smiling. It is being livestreamed. You do not want the screenshots."
"Understood." Rei took a breath.
The two of them watched the staff moving around the stadium and talked while waiting for the 8:30 start.
The conversation drifted back to work, as it always did.
"For a work like Demon Slayer, if you wanted to maximise its commercial value, you could release one anime season every year or two and intersperse films between them. Stretch the full serialisation cycle to seven or eight years. That approach would almost certainly produce better long-term audience development than what you are currently doing."
"I have always been curious why you compress the serialisation of everything you work on. The pace you have kept has brought you to the top of Japan's anime and manga history in five years, but it also shortens the span of your career at the peak. Reaching a great height matters. So does how long you stay there."
"The reason," Rei said, glancing at her. "You will understand in twenty years."
"What does that mean?"
"When you see me in twenty years, still working on the front lines of manga creation at forty, you will understand why I did not give Demon Slayer a seven or eight year serialisation cycle."
He paused.
"Time is precious."
Misaki considered this.
"Even so. Demon Slayer does not have that much content remaining. If Muzan is the final villain and the story holds to that, this work reaches its conclusion within a year."
"Yes. After the Mugen Train arc, there is the Entertainment District arc, the Swordsmith Village arc, the Hashira Training arc, and then the Infinity Castle arc." Rei said this without particular hesitation. He and Misaki had worked together long enough that he did not feel the need to hold back. "According to the plan, the serialisation reaches the Infinity Castle arc within the next six months. The final arc is told through theatrical films, two or three of them, over the following two to three years."
"So Demon Slayer concludes at Hoshimori in about six months," Misaki said.
"Yes. But do not worry. My working relationship with the Dream Comic editorial team is strong. After Demon Slayer finishes, there will be other works. Most likely structured the same way, where I retain the copyrights and Hoshimori handles the manga serialisation and tankōbon sales."
"The senior management at Hoshimori already expect this. They understand that you have moved beyond the scope of a conventional mangaka. After the film's performance, they know the copyright structure for your future works is not something they can negotiate their way into." Misaki smiled. "But wait. The way you said that. You already have a concept for the next work?"
Rei looked at her and did not answer.
"Seriously?" Misaki's expression went still.
A moment passed. Then: "You only have one year of university remaining. Are you genuinely planning to spend your entire student life like this without..."
"How did this arrive at that subject?" Rei's expression shifted into something mildly uncomfortable.
Misaki stopped herself. The question had come out as a joke and she had not entirely meant it. But thinking about it seriously for a moment, she considered what she actually knew.
From Hikaru no Go to Hunter x Hunter to Arcane to One-Punch Man to Demon Slayer. Four years of sustained cross-creation at an intensity that most professionals in the industry would not voluntarily maintain for a single year.
Now Demon Slayer was showing signs of becoming a genuinely global phenomenon, and a normal person at this juncture would consider slowing down.
Then she turned his words back over in her mind.
How could I have time to wait seven or eight years for Demon Slayer to finish?
She did not spend long on the thought. The time had arrived.
The signing event began.
Fans who had purchased their volume three tankōbon at the entrance formed a queue that wound through the stadium, guided by staff to Rei's table.
"Shirogane-sensei, please sign here."
"Thank you, Shirogane-sensei."
"Shirogane-sensei, can the Flame Hashira come back later in the story?"
"Shirogane-sensei, could you write one extra line in mine? Just write 'Shirogane loves you.' I will catch up on the story when I get home."
The work began.
Book after book after book.
Rei's energy held for the first two hours. After that, his hand started to register the repetition.
By noon, he looked up at the queue. It still extended beyond the stadium entrance. Approximately sixty percent of the prepared tankōbon had been purchased and brought in. The remaining forty percent was still waiting.
The expression on his face was visible to his fans across the country through the livestream cameras positioned throughout the venue.
The online response was immediate.
"Shirogane-sensei, today is your day of reckoning."
"He looks genuinely pitiful."
"I was supposed to be there. My company sent me on a business trip. I am sitting here in absolute despair."
"I actually feel for him. We all complain that he left Hunter x Hunter and One-Punch Man without proper conclusions, but consider it honestly. He debuted at sixteen. He is twenty-one now. He has been doing promotional events throughout the entire film release period, and the moment he has any time, Hoshimori has him at a signing event. Look at him shaking his hand out. His hand is numb."
"Stop. I am about to cry."
"I complain about him regularly and I will continue to do so. But I also know that if you look at every creator in Japan's anime and manga history, past, present, or future, none of them have worked at his pace and at his standard simultaneously. Seven works in five years, not one bad ending. You can see it just watching him today."
"I cannot make it to the signing. I am buying three copies of volume three this afternoon. One to keep sealed, one to read, one to give to a friend."
"Same here. I normally do not buy the tankōbon if I already subscribe to the journal. For Shirogane-sensei's work I make an exception every time."
"When are the tankōbon for the Mugen Train arc going to be released?"
"Volume three is still the Tsuzumi Mansion arc, but the Natagumo Mountain and Mugen Train volumes are going to sell at a level that does not need predicting. It is already obvious."
"What do you think volume three first-week sales will be?"
"The reprints of volumes one and two that Hoshimori put back into the market over the past few days cleared out almost immediately. Volume three is going to produce a number that is difficult to look at calmly."
"Volume two first-week sales were close to ten million copies. How much higher can volume three go?"
"According to official data, volume one has sold 19 million copies total and volume two has sold 16 million copies in the month since release. Those figures only count sales before the film opened. The post-film sales can only be estimated by watching what volume three does."
"At this point, Demon Slayer breaking a thirty million copy average per volume is no longer a question. It is the highest average per volume in the history of Japanese manga. The only question is how far above thirty million it ultimately lands."
"I think we are watching the greatest event in the history of Japan's anime and manga industry unfold in real time."
"Do not overthink it. Just enjoy it."
From morning through the afternoon, Rei finished the last book.
Across Japan that day, major bookstores were cleared out. The surging crowds of passersby and Demon Slayer fans who had seen the film and wanted a physical connection to the work moved through the shelves and left them empty. Some fans, seeing the Demon Slayer promotional posters hanging in the bookstores, asked the owners directly if those were for sale as well.
Hoshimori Group had believed their stock preparation this time was adequate. The final result produced a specific quality of silence across Japan's manga industry.
Something had changed. The question of whether the Demon Slayer manga tankōbon could sell at this level had been answered, and the answer had not matched the prior estimates.
The theatrical release had functioned as an amplifier operating well beyond the existing fan base. Japan's official news broadcast had covered the Demon Slayer anime three times in two weeks. Promotional materials were positioned throughout major commercial areas and subway entrances across the country.
Before the film's release, Demon Slayer had been a major property within the anime and manga community, or more precisely, within Shirogane's established fan base. After the film, the circle had expanded considerably.
Office workers. Groups of children. Elderly viewers. People who primarily followed television dramas. All of them had encountered the film and found a reason to pay attention.
This was the specific function a successful theatrical release served for a major IP. Japan's annual commercial market for anime and manga was considerably larger than the film industry's annual total box office of hundreds of billions of yen.
But this did not diminish the film industry's power as a promotional channel. A film that penetrated broad public consciousness could introduce a property to audiences that no amount of targeted manga or anime marketing could reach on its own.
The box office revenue mattered. The promotional effect of that box office was worth more.
During the first week of August, the Demon Slayer film's cumulative box office climbed from 34 billion to 46 billion yen. The work had held the daily box office lead in the Japanese film industry for fifteen consecutive days.
The conversation that had been running through the industry about whether the film could break 60 billion yen domestically was no longer being conducted as a genuine open question.
With the current trajectory, it was a matter of time.
Then a new question took its place.
The international release had begun rolling out across dozens of countries. What were the overseas numbers going to look like?
For a period of weeks, opening any platform in Japan meant encountering Demon Slayer in some form. Trending lists. Forum discussions. Website banners. Game collaborations. Walk down any commercial street without a phone in hand and the promotional posters found you anyway.
Rei had committed significant resources to promoting the film. Hoshimori Group had committed comparable resources to promoting the manga. The combined effect of both campaigns running simultaneously had created a situation where the Demon Slayer IP was visible in nearly every context available to a person living in Japan.
Another week passed. Monday arrived.
The first-week sales data for Demon Slayer: Kimetsu no Yaiba volume three would be compiled and released to the industry today.
Misaki was at the Hoshimori Group offices, waiting for the summary to come through.
Miyu was at home in a nightgown, lying on her bed with the air conditioning running, tablet in hand, scrolling through Demon Slayer film reviews. When she encountered a negative comment she considered unfair, she engaged with it. This had been occupying a portion of her morning.
"Touch of Glass's average per volume is seven million copies. What is Rei's going to be after this film? I know the comparison has stopped making sense. A gap this large is still a little frustrating to sit with." She exhaled and went back to refreshing.
Across Rei's fan base, people had been checking the official announcement board since morning.
At around 2:00 PM, Hoshimori Group released the figure.
Demon Slayer: Kimetsu no Yaiba volume three. First-week sales: 14.35 million copies.
The previous record for first-week tankōbon sales in Japanese manga history had been 9.13 million copies, set by the fantasy manga Dragon Scale twenty-three years earlier during the medium's golden period. That record had been broken by Demon Slayer volume two approximately a month ago.
Volume three had just moved the record to 14.35 million copies.
The thought that passed through many people's minds simultaneously was a version of the same sentence they had been thinking for months.
A derivative vampire manga. This popular.
And anyone looking at the data with clear eyes understood that 14.35 million was not the ceiling. The fan base was still growing. The film was still in theatres. The overseas release was still expanding. The work had room above this number and showed no signs of having found its limit.
Where exactly was it going?
The next day, Ion TV arrived at its own conclusions about how to participate in the moment.
They produced a variety programme themed around Demon Slayer, inviting a roster of popular performers to cosplay the series' characters on screen. At the end of the programme, across a segment running approximately thirty minutes, the broadcast worked its way around to a specific announcement through a sustained approach of building anticipation.
The Demon Slayer film was performing well at the box office. The manga was selling at a historical record pace. These facts were known.
What was being announced was something additional.
The Demon Slayer anime was returning.
The Entertainment District arc would premiere in September.
...
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