Following the record-breaking opening for Demon Slayer: Kimetsu no Yaiba Infinity Castle last weekend in Japan , the two theme song music videos for the movie were posted on the respective artists' official YouTube channels. The CD singles for both songs already released in Japan simultaneously on July 23, Aimer performs "Taiyo ga Noboranai Sekai" ("A World Where the Sun Never Rises"). She previously provided the opening and ending theme songs for the Entertainment District Arc . This song was written by Hikaru Kondo, the general producer of the anime, and composed and arranged by Go Shiina, who has been in charge of the anime's soundtrack music. Aimer "A World Where the Sun Never Rises" Music Video Aimer also provided the following message: Go Shiina-san and Hikaru Kondo-san. These two, who have devoted themselves to the anime series “Demon Slayer: Kimetsu no Yaiba” with unparalleled passion, entrusted me with this song. I sang with Total Concentration in my own way, intending to sing about the characters' destinies as they transform their grief into strength and rush toward the final battle. I hope this song reaches those of you who are still fighting in "a world where the sun never rises." Regular edition CD jacket Time-limited production edition CD jacket Aimer artist photo Meanwhile, LiSA performs "Zankoku na Yoru ni Kagayake" ("Shine in the Cruel Night"). She previously provided the first opening theme song for the TV anime, the theme song for the Demon Slayer: Kimetsu no Yaiba – The Movie: Mugen Train film, and the opening and ending theme songs for the Mugen Train Arc of the TV anime. This song was written and composed by Yuki Kajiura, who also composed the soundtrack music for the anime and has created many theme songs for the series. LiSA "Shine in the Cruel Night" Music Video LiSA also provided the following message: Along with Yuki Kajiura-san, who has given us so many songs through "Demon Slayer: Kimetsu no Yaiba," I am heading to "Demon Slayer: Kimetsu no Yaiba Infinity Castle." To all of you who are fighting. I sang with prayers and wishes. "Shine in the Cruel Night." Regular edition CD single jacket Time-limited production edition CD jacket LiSA artist photo RELATED: Japan Box Office: Demon Slayer: Kimetsu no Yaiba Infinity Castle First Movie Opens at No.1 Haruo Sotozaki directs Demon Slayer: Kimetsu no Yaiba at anime studio ufotable. Akira Matsushima is the Chief Animation Director and Character Designer and music is by Yuki Kajiura and Go Shiina. The Demon Slayer: Kimetsu no Yaiba Infinity Castle movie opened in Japan on July 18. Screenings in the United States and Canada will open on September 12 . More information on the international release will be added to the movie's official website in the future. Crunchyroll streams both the TV anime series and Mugen Train movie in both sub and dub formats, along with the latest Hashira Training Arc . Crunchyroll describes the Demon Slayer: Kimetsu no Yaiba Infinity Castle movie: Tanjiro Kamado – a boy who joined an organization dedicated to hunting down demons called the Demon Slayer Corps after his younger sister Nezuko was turned into a demon. While growing stronger and deepening his friendships and bonds with fellow corps members, Tanjiro has battled many demons with his comrades – Zenitsu Agatsuma and Inosuke Hashibira. Along the way, his journey has led him to fight alongside the Demon Slayer Corps’ highest-ranking swordsmen, the Hashira, including Flame Hashira Kyojuro Rengoku aboard the Mugen Train, Sound Hashira Tengen Uzui within the Entertainment District, as well as Mist Hashira Muichiro Tokito and Love Hashira Mitsuri Kanroji at the Swordsmith Village. As the Demon Slayer Corps members and Hashira engaged in a group strength training program, the Hashira Training, in preparation for the forthcoming battle against the demons, Muzan Kibutsuji appears at the Ubuyashiki Mansion. With the head of the Demon Corps in danger, Tanjiro and the Hashira rush to the headquarters but are plunged into a deep descent to a mysterious space by the hands of Muzan Kibutsuji. The destination of where Tanjiro and Demon Slayer Corps have fallen is the demons’ stronghold – the Infinity Castle. And so, the battleground is set as the final battle between the Demon Slayer Corps and the demons ignites. Sources : Aimer official YouTube channel , LiSA official YouTube channel , SACRA MUSIC press release