Hitoshi Ōne (live-action Bakuman. , Moteki ) is writing the film's script and Nobuyuki Takeuchi (key animator on Spirited Away , Penguindrum , Bakemonogatari ) is directing the film at studio SHAFT . Akiyuki Simbo ( Puella Magi Madoka Magica , Nisekoi ) is serving as chief director. Akio Watanabe ( Nisemonogatari , Bakemonogatari ) is designing the characters, and Satoru Kousaki ( Lucky Star , The Melancholy of Haruhi Suzumiya , Wandering Son ) is composing the music. Iwai is credited with the original work.