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Kimi to Hanabi to Yakusoku to

Kimi to Hanabi to Yakusoku to (君と花火と約束と) 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.[1][2] It was later acquired by Shogakukan, who released it in print under its Gagaga Bunko imprint on December 18 of the same year. 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.

Plot

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)
  • Aki Hayama (葉山煌)

Media

Light novel

Manga

A manga adaptation illustrated by Yomiya Ririura began serialization on Shogakukan's Sunday Webry service on March 26, 2026.[4][5]

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.[6]

Reception

Writing for Bookstand, Yayoi Saginomiya praised the novel, stating that while the novel had a light-hearted feel typical of light novels, it also leaves the reader deep feelings, given the connection between the Nagaoka Fireworks Festival and World War II.[7] The novel was included in a list by Real Sound of the best upcoming light novels to be released in December 2025.[8]

External links

References

  1. 小説「君と花火と約束と. 」_1 Note, August 4, 2025, retrieved January 30, 2026^
  2. Kaori Mado. October 26, 2025, retrieved January 30, 2026^
  3. https://www.shogakukan.co.jp/books/09453260 Shogakukan, retrieved January 24, 2026^
  4. Yomiya Ririura. March 26, 2026, retrieved March 27, 2026^
  5. Anita Tai. Kimi to Hanabi to Yakusoku to Novels Gets Manga Adaptation Anime News Network, March 30, 2026, retrieved March 31, 2026^
  6. Egan Loo. Kimi to Hanabi to Yakusoku to Romance Novel Gets Anime Film on July 17 Anime News Network, January 24, 2026, retrieved January 25, 2026^
  7. Yayoi Saginomiya. https://bookstand.webdoku.jp/news/2026/01/15/180000.html Bookstand, January 15, 2026, retrieved January 24, 2026^
  8. https://realsound.jp/book/2025/12/post-2237801.html Real Sound, December 4, 2025, retrieved January 24, 2026^