Tokyo – The latest installment in the global anime phenomenon, Demon Slayer -Kimetsu no Yaiba- The Movie: Infinity Castle Part 1: Akaza Returns, has launched with an unprecedented ¥7.3 billion (approx. $49 million) in its first four days at the Japanese box office, signaling another history-making run for the franchise. The staggering figure demolishes the opening record set by its predecessor, Demon Slayer: The Movie – Mugen Train, which opened to ¥4.62 billion ($31 million) over three days and went on to become Japan’s highest-grossing film of all time.
劇場版「鬼滅の刃」無限城編 第一章 猗窩座再来、公開３日間で観客動員384万3613人(興行収入55億2429万8500円)、月曜・祝日を含む４日間では観客動員516万4348人(興行収入73億1584万6800円)と大変多くの方にご鑑賞頂きました。映画館にお越し頂いたお一人おひとりに心より御礼申し上げます。#鬼滅の刃 pic.twitter.com/ikxV3c8gX6
— 鬼滅の刃公式 (@kimetsu_off) July 22, 2025
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An Astonishing 5.16 Million Admissions in Just Four Days
According to an official announcement from the film’s social media accounts, the first chapter of the three-part finale drew a massive 5,164,348 viewers from its opening day on Friday, July 18, through Monday, July 21, a national holiday. The total box office gross for the four-day period reached an incredible ¥7,315,846,800. The initial three-day weekend (Fri-Sun) alone accounted for 3,843,613 admissions and a gross of ¥5,524,298,500, demonstrating immense drawing power from the very start of its theatrical run.
In response to the phenomenal success, the official account expressed its gratitude: “We extend our heartfelt thanks to every single person who has come to the theater.”
Opening Surpasses ‘Mugen Train,’ Sets New All-Time Record
What makes this opening particularly noteworthy is its performance against Mugen Train, the 2020 blockbuster that grossed a total of ¥40.43 billion ($271 million) to become a cultural touchstone. Infinity Castle Part 1 outpaced the opening three-day gross of Mugen Train by approximately ¥900 million, a clear indicator of the franchise’s unwavering popularity and the intense anticipation among fans for the cinematic adaptation of the manga’s final, climactic arc. This explosive start suggests the series’ commercial power has only grown.
Instantly Claims No. 2 Spot on 2025 Box Office Chart
With its rocket-powered launch, Demon Slayer: Infinity Castle Part 1 has already soared to the number two position on Japan’s 2025 box office chart after only four days in release. As the summer holiday season gets into full swing, attendance is expected to climb even higher. All eyes are now on just how far the film will go and what new benchmarks it will set.
The movie is the first of a trilogy depicting the final battle between the Demon Slayer Corps and the legion of demons led by their nemesis, Muzan Kibutsuji, all set within the enigmatic Infinity Castle. This first chapter focuses on the fated rematch with the formidable Upper Rank Three demon, Akaza, and has been met with widespread critical acclaim from audiences for its breathtaking action sequences and stunning animation quality.