Kimi to Hanabi to Yakusoku to
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| Kimi to Hanabi to Yakusoku to | |
 Light novel volume cover | |
| 君と花火と約束と | |
|---|---|
| Genre | |
| Novel series | |
| Written by | Kaori Mado |
| Published by | Note |
| Original run | August 4, 2025 – October 27, 2025 |
| Light novel | |
| Written by | Kaori Mado |
| Illustrated by | Akamoku |
| Published by | Shogakukan |
| Imprint | Gagaga Bunko |
| Published | December 18, 2025 |
| Volumes | 1 |
| Manga | |
| Kimi to Hanabi to Yakusoku to @comic | |
| Written by | Kaori Mado |
| Illustrated by | Yomiya Ririura |
| Published by | Shogakukan |
| Magazine | Sunday Webry |
| Original run | March 26, 2026 – present |
| Anime film | |
| Directed by | Kei Suzuki |
| Produced by | Michihiko Umezawa |
| Written by | Kōhei Mori |
| Studio |
|
| Released | July 17, 2026 |
Kimi to Hanabi to Yakusoku to (君と花火と約束と; lit. 'You, Fireworks, and Our Promise') is a Japanese light novel written by Kaori Mado and illustrated by Akamoku. The novel was originally serialized online on the Note website from August 4 to October 27, 2025.[2][3] It was later acquired by Shogakukan, who released it in print under its Gagaga Bunko imprint on December 18 of the same year.[4] A manga adaptation illustrated by Yomiya Ririura began serialization on Shogakukan's Sunday Webry service in March 2026. An anime film adaptation produced by Shin-Ei Animation and animated by SynergySP and The Answer Studio is scheduled to premiere in Japan in July 2026.
Makoto Natsume, a first-year junior high school student in Chōfu, Tokyo, is suddenly confessed to by a fellow freshman named Aki Hayama. Aki told him that her grandmother once told her about meeting a boy named Makoto Natsume in the future. Having never met before, Makoto is convinced that Aki is mistaken. When Aki brings up a painting of a fireworks, Makoto decides to help her find the Makoto Natsume she is looking for. The following year, the two head to Nagaoka, Niigata, to attend the city's famed fireworks festival, suspecting that the painting is linked to it.
Characters
- Makoto Natsume (夏目誠, Natsume Makoto)
- Voiced by: Shori Sato (timelesz)[1]
- Aki Hayama (葉山煌, Hayama Aki)
- Voiced by: Nanoka Hara[1]
Media
Light novel
| No. | Release date | ISBN |
|---|---|---|
| 1 | December 18, 2025[4] | 978-4-09-453260-9 |
Manga
A manga adaptation illustrated by Yomiya Ririura began serialization on Shogakukan's Sunday Webry service on March 26, 2026.[5][6]
Anime film
An anime film adaptation was announced on January 25, 2026. Produced and planned by Shin-Ei Animation, the film is animated by SynergySP and The Answer Studio and directed by Kei Suzuki, from a screenplay written by Kōhei Mori and characters designed by Yūji Watanabe. It is set to be released in Japan by Shochiku and Shin-Ei Animation on July 17, 2026.[1]