With this trailer the Twin Engine announced that the 40-minute anime film based on the anime project Kurayukaba in Shigeyoshi Tsukahara It is Twiflo will premiere on April 12, 2024. The staff also revealed a new spinoff anime film titled Kuramerukagariwhich will also premiere in Japan on April 12, 2024.
With animation by the studio Makariathe anime film is directed by newcomer Shigeyoshi Tsukahara (The Man Traveling with the Brocade Portrait, Joseito, Hashi no Mukou). The character design is Kazunori Minagawa (animation director of Macross Delta, Tokyo Ravens, Yuruyuri, Code Geass: Akito the Exiled) and Ryo-timo (Yozakura Quartet) is credited as special animator.
maxcaffy is handling CG and serving as director of photography. Pochi is responsible for the original art and sets. The design works team members are Chōta Akatsuki, Keeze, Takeshi Ishikawa, Kazunoko, Kitsuneiro, Kahi and Shie Nanahara.
On the official website the story is described as follows:
Our story takes place beneath the surface of the great metropolis, beneath the city district of Ogi, in a realm of dreams that floats in a haze of purple smoke.
A network of roads stretches underground, hiding bandits at every turn! An armored locomotive snakes through the impending darkness: the Sokore 463 is equipped with a 75mm mountain gun that can blow a target to smithereens! In charge is the mysterious Tanne.
What awaits her and her comrades? From the winding alleys of Akegata (dawn) to the deep underground world of Kuragari (dark), a daring adventure unfolds!