Image: Animationsfilm Kimi to Hanabi to Yakusoku to Hauptvisual, Kimi to Hanabi to Yakusoku to Produktionskomitee
AMBot | 05/19/2026 | Reading Time: 3 Min.
The main trailer for the anime film 'Kimi to Hanabi to Yakusoku to' (roughly translated as 'You, the Fireworks, and the Promise'), released on May 19, 2026, not only offers further insights into the story but also introduces the theme song. The group Timelesz, whose member Shori Sato voices the protagonist Makoto Natsume, contributes the song 'Kienai Hanabi' ('Eternal Fireworks'). Sato expressed delight in a statement about the collaboration and emphasized the emotional connection between the song and the film.
Additionally, two more voice roles were announced: Voice actress Rie Takahashi (known from 'Oshi no Ko' among others) lends her voice to the mysterious girl Haru. Comedian Natsuko Yokosawa, who hails from Niigata Prefecture, voices Makoto's mother Yukari. Takahashi expressed enthusiasm about the role and revealed that she learned the Nagaoka dialect specifically for the film. Yokosawa showed pride in being able to participate in a production set in her home region.
The film is based on the novel of the same name by Kaori Mado, which was originally published on the platform note from August 2025 and released as a book in December 2025 by Shogakukan (Gagaga Bunko). The story revolves around the shy high school student Makoto Natsume and his classmate Aki Hayama, who are connected through an old fireworks drawing. The story is set against the backdrop of the Nagaoka Fireworks Festival, one of Japan's three largest fireworks displays, attracting hundreds of thousands of visitors annually.
The film is directed by Kei Suzuki, who previously worked on 'Tower of God' Season 2. The screenplay was written by Kohei Mori, character design is by Yuji Watanabe, and the character concepts were provided by illustrator Akamoku. Animation studios SynergySP and The Answer Studio are responsible for the animation, with the film produced by Shin-Ei Animation. Distribution is handled by Shochiku and Shin-Ei Animation.
The theatrical release in Japan is scheduled for July 17, 2026. The film was already presented at the Cannes Festival in May 2026 as part of the Tokyo International Film Festival. The theme song 'Kienai Hanabi' will be released as a single on July 29, 2026.
Further details are expected until the premiere, but 'Kimi to Hanabi to Yakusoku to' already promises a moving summer story full of romance and mystery.
Additionally, two more voice roles were announced: Voice actress Rie Takahashi (known from 'Oshi no Ko' among others) lends her voice to the mysterious girl Haru. Comedian Natsuko Yokosawa, who hails from Niigata Prefecture, voices Makoto's mother Yukari. Takahashi expressed enthusiasm about the role and revealed that she learned the Nagaoka dialect specifically for the film. Yokosawa showed pride in being able to participate in a production set in her home region.
The film is based on the novel of the same name by Kaori Mado, which was originally published on the platform note from August 2025 and released as a book in December 2025 by Shogakukan (Gagaga Bunko). The story revolves around the shy high school student Makoto Natsume and his classmate Aki Hayama, who are connected through an old fireworks drawing. The story is set against the backdrop of the Nagaoka Fireworks Festival, one of Japan's three largest fireworks displays, attracting hundreds of thousands of visitors annually.
The film is directed by Kei Suzuki, who previously worked on 'Tower of God' Season 2. The screenplay was written by Kohei Mori, character design is by Yuji Watanabe, and the character concepts were provided by illustrator Akamoku. Animation studios SynergySP and The Answer Studio are responsible for the animation, with the film produced by Shin-Ei Animation. Distribution is handled by Shochiku and Shin-Ei Animation.
The theatrical release in Japan is scheduled for July 17, 2026. The film was already presented at the Cannes Festival in May 2026 as part of the Tokyo International Film Festival. The theme song 'Kienai Hanabi' will be released as a single on July 29, 2026.
Further details are expected until the premiere, but 'Kimi to Hanabi to Yakusoku to' already promises a moving summer story full of romance and mystery.
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This article was originally published in German. It was translated with technical support and editorially reviewed before publication.
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