According to Videor the anime series Demon Slayer 3 was the most watched of 2023. On average, the anime series achieved 15.4 million viewers in Japan and reached a peak of 22.8 million viewers at its end.
A Aniplex and the studio Ufotable (Fate/Zero, Kara no Kyoukai, Katsugeki: Touken Ranbu) have already confirmed that in April 2024 we can expect the return of the anime Demon Slayer in the shape of Demon Slayer: Kimetsu no Yaiba Hashira Training Arc and soon in the form of a 1-hour special.
A special that brings together the last episode of Demon Slayer: Kimetsu no Yaiba Swordsmith Village Arc and the first episode of Demon Slayer: Kimetsu no Yaiba Hashira Training Arc will debut in theaters in Japan and 140 other countries in February 2024.
The anime series Demon Slayer: Kimetsu no Yaiba Swordsmith Village Arc premiered on April 9 with a one-hour special and consisted of 11 episodes.
The first season of the anime series adaptation of Demon Slayer (Kimetsu no Yaiba) premiered in April 2019 and the anime film Demon Slayer – Kimetsu no Yaiba – The Movie: Mugen Train in October 2020.
Then in October 2021 we had the 7 episodes of Demon Slayer: Kimetsu no Yaiba Mugen Train Arc which adapt the anime film and in December 2021 premiered Demon Slayer: Kimetsu no Yaiba Entertainment District Arc (Kimetsu no Yaiba: Yūkaku-hen) with a 1-hour special.
The animation is from the studio Ufotable (Fate/Zero, Kara no Kyoukai, Katsugeki: Touken Ranbu), directed by Haruo Sotozaki (Tales of Zestiria the X, Tales of Symphonia the Animation) and the character design is by Akira Matsushima (Maria Watches Over Us, Tales of Zestiria the X).
As for the story of the manga and anime adaptation of Kimetsu no Yaiba we have:
The setting is Japan, Taisho era. Tanjirou is a benevolent boy who lived peacefully with his family as a humble charcoal seller. His life changes completely when his family is killed by demons. The only other survivor is his younger sister, Nezuko, who has become a ferocious demon. To return Nezuko to normal and take revenge on the demon that killed her family, the brothers set out on a journey. From a young talent begins a tale of adventures of blood and swords!