The official website for the anime movie adaptation of Kaori Mado and Akamoku’s light novel Kimi to Hanabi to Yakusoku to has revealed additional cast, staff, the theme song, a key visual, and the first trailer. The film is scheduled to premiere in Japanese theaters on July 17.
Voice actresses Rie Takahashi (Kanojo, Okarishimasu) and Natsuko Yokosawa (Bokura no Yoake) are joining the cast as Haru and Yukari Natsume, respectively.
Staff
| Role | Staff |
|---|---|
| Director | Akira Suzuki (Kami no Tou: Ouji no Kikan) |
| Script | Kouhei Mori |
| Character Designer | Yuuji Watanabe (Fairy Tail Movie 2: Dragon Cry animation director) |
| Art Director | Toshiharu Mizutani (Dungeon ni Deai wo Motomeru no wa Machigatteiru Darou ka) |
| Color Design | Shiho Kuriki (Anne Shirley) |
| Director of Photography | Shinji Saitou (City Hunter Movie: Tenshi no Namida) |
| Sound Director | Takeshi Takadera ([Oshi no Ko]) |
| Music | Alisa Okehazama (Kusuriya no Hitorigoto) |
The movie is being directed by Akira Suzuki at SynergySP and The Answer Studio. Kouhei Mori is penning the script, and Yuuji Watanabe is designing the characters.
J-group timelesz (Hananoi-kun to Koi no Yamai opening theme) will perform the theme song “Kienai Hanabi,” which is previewed in the first main trailer below.
Mado published the romantic light novel under Shogakukan’s Gagaga bunko imprint in December 2025, featuring illustrations by Akamoku.
First Trailer
Note: The video is region-locked; click here for an alternative link.
Source: Comic Natalie
