Mari Okada's film premiered in Japan on February 24; premieres in U.K., Ireland on March 4 The official Twitter account for P.A. Works, Showgate, and Mari Okada's Sayonara no Asa ni Yakusoku no Hana o Kazarō (Let Us Adorn the Morning of Farewells With Promised Flowers) anime film began streaming a promotional video on Wednesday. The video focuses on the relationship between the main characters Maquia and Erial. It features the ending theme song "Viātor," performed by rionos (Children of the Whales). (Note: The video is region locked.) The film premiered in Japan on February 24. U.K. anime distributor Anime Limited will premiere the film in the U.K. and Ireland on March 4 under the title Maquia - When the Promised Flower Blooms. Anime Limited's screening will be part of the Glasgow Film Festival, and it will be the film's international premiere. The company is planning a wider theatrical release for the U.K. and Ireland in March. Anime Limited describes the story: The people of Iolph have a lifespan of hundreds of years and maintain their teenage appearances for life, but when the peace of this town is shattered by those who want the secret to their longevity for themselves, a young girl named Maquia is forced to escape. Wandering the land alone, upon finding an orphaned baby she chooses to raise him, but as this boy grows up so the difference in their lifespans is thrown into ever-sharper relief. The cast includes: Manaka Iwami as Maquia Miyu Irino as Erial Ai Kayano as Leilia Yuuki Kaji as Clear Miyuki Sawashiro as Rashine Yoshimasa Hosoya as Lang Rina Satou as Mido Yōko Hikasa as Tita Misaki Kuno as Medmel Tomokazu Sugita as Isol Hiroaki Hirata as Baro The film is the directorial debut of anime screenwriter Okada (The Anthem of the Heart, anohana). She wrote the film's scripts at P.A. Works. Akihiko Yoshida (Nier: Automata, Bravely Default, Final Fantasy XIV games) is credited with the original character designs. Toshiya Shinohara (A Lull in the Sea, Red Data Girl) was chief director. Yuriko Ishii (Kuromukuro, Another) designed the characters for animation and was chief animation director. Kazuki Higashiji (Ghost in the Shell: Stand Alone Complex 2nd GIG, A Lull in the Sea) was art director, and Tomoaki Okada (Fullmetal Alchemist: The Sacred Star of Milos, Blast of Tempest) was in charge of art design and concept design. Kenji Kawai (Ghost in the Shell, Touken Ranbu: Hanamaru) composed the music, and Kazuhiro Wakabayashi (Ghost in the Shell, Bungo Stray Dogs) was sound director.