With the gentle reason for Rengoku’s mass bento eating revealed, the internet was abuzz with excitement, with comments such as, “So that repeated ‘Delicious!’ in the movie was connected to this scene!” and “It was a really great episode that felt like seeing the other side of the Mugen Train Arc.” Many viewers were also charmed by Rengoku’s good nature, saying things like, “‘I’ll buy them all!’—that’s a line I want to say just once... so cool.”

The anime series “Demon Slayer: Kimetsu no Yaiba” is based on the manga of the same name by Koyoharu Gotoge, which was serialized in “Weekly Shonen Jump” from 2016 to 2020. Set in the Taisho era, the story follows the battles of a boy named Tanjirō Kamado, whose family was killed by demons. The TV anime “Demon Slayer: Kimetsu no Yaiba Tanjiro Kamado, Unwavering Resolve Arc,” which began airing in April 2019, quickly became a hot topic, and the sequel film “Demon Slayer -Kimetsu no Yaiba- The Movie: Mugen Train” surpassed 50 billion yen in worldwide box office revenue. The manga now has a cumulative worldwide circulation of 220 million copies, making it a smash hit in the history of Japanese manga and anime.

Following the “Tanjiro Kamado, Unwavering Resolve Arc,” the TV anime has aired the “Entertainment District Arc,” “Swordsmith Village Arc,” and “Hashira Training Arc,” and it was announced that the climactic episodes, “Demon Slayer: Kimetsu No Yaiba The Movie: Infinity Castle,” will be produced as a trilogy. “Demon Slayer: Kimetsu No Yaiba The Movie: Infinity Castle Part 1 — Akaza Returns,” released on July 18, 2025, has already earned 28 billion yen in just 38 days.

(C)Koyoharu Gotoge / SHUEISHA, Aniplex, ufotable

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