You, Fireworks, and Our Promise Anime Film Trailer Unveiled
Get ready for an enchanting summer romance as the highly anticipated anime film "You, Fireworks, and Our Promise," also known as Kimi-Hana, recently dropped its full trailer and a stunning new key visual. Fans are buzzing with excitement as the trailer not only offered a deeper look into the film's beautiful animation and heartfelt narrative but also announced additional cast and staff members. A major highlight was the grand reveal and preview of the theme song, "Kienai Hanabi" (Eternal Fireworks), performed by the popular idol group timelesz. Mark your calendars, as this romantic coming-of-age story is set to light up theaters on July 17.
Unveiling the Story: A Festival of Fate and Feelings
"You, Fireworks, and Our Promise" is a captivating coming-of-age romance set against the breathtaking backdrop of the Nagaoka Festival Grand Fireworks Show. This spectacular event, one of Japan's three major fireworks displays, draws hundreds of thousands of visitors to Niigata Prefecture each year, making it the perfect stage for a tale of destiny. The story centers around Makoto Natsume, a Tokyo high school boy grappling with a lack of social skills and self-confidence, and Aki Hayama, a popular, beautiful, and talented high school class president. Their paths intertwine through a mysterious drawing of a fireworks display, launching them into a race against time. At the mercy of the drawing's secrets and the whims of fate, Makoto and Aki must make a pivotal choice that will define their future. The trailer hints at emotional depth and visual splendor, promising a truly unforgettable cinematic experience.
Star-Studded Cast and Dedicated Staff Power Kimi-Hana
The production team has assembled an impressive roster of talent to bring Kaori Mado's beloved novel to life. Leading the cast are two prominent figures. Shōri Satō from the idol group timelesz takes on the role of the protagonist, Makoto Natsume, imbuing the character with his unique charm. Alongside him, acclaimed actress Nanoka Hara, known for her roles in Suzume and live-action Oshi no Ko, portrays the heroine, Aki Hayama.
The recent announcements further bolster the cast, introducing Rie Takahashi as the intriguing "mysterious girl" Haru, and Natsuko Yokosawa as Makoto's mother, Yukari Natsume.
Behind the scenes, a dedicated team is working tirelessly to craft this cinematic masterpiece. Kei Suzuki, recognized for his work as assistant director on "City Hunter The Movie: Angel Dust," directs the film at Synergy SP and The Answer Studio. Kōhei Mori penned the intricate screenplay, while Yūji Watanabe, celebrated for his animation direction, designed the characters. The project was planned and produced by Michihiko Umezawa with Shinei Animation.
Newly announced staff members add even more depth to the production:
- Toshiharu Mizutani as Art Director
- Shiho Kuriki as Color Key Artist
- Shinji Saitō as Compositing Director of Photography
- Takeshi Takadera as Sound Director
- Arisa Okehazama as Musical Composer
The synergy of this talented cast and crew promises a visually stunning and emotionally resonant film.
The Music of Kimi-Hana: timelesz Performs "Kienai Hanabi"
A standout revelation from the full trailer is the announcement of the theme song, "Kienai Hanabi" (Eternal Fireworks), performed by the idol group timelesz. The preview in the trailer offers a tantalizing glimpse into the song's heartfelt melody and lyrics, perfectly capturing the film's romantic and poignant atmosphere. Given Shōri Satō's involvement as the lead actor and a member of timelesz, the selection of the group for the theme song creates an even deeper connection between the music and the narrative, enhancing the overall immersive experience for the audience. The "Eternal Fireworks" title itself echoes the central themes of lasting memories and powerful moments inherent in the film's story.
Anticipating the Premiere and Global Buzz
"You, Fireworks, and Our Promise" is slated to open in theaters on July 17, positioning it as a must-see summer movie. The excitement for the film isn't confined to Japan; it has already garnered international attention. The 79th Cannes International Film Festival featured a preview of the film on May 15 as part of the prestigious "Tokyo International Film Festival's Goes to Cannes" event. This early international recognition speaks volumes about the film's potential to captivate audiences worldwide with its universal themes of love, self-discovery, and destiny. The anticipation for its general release is building rapidly among anime enthusiasts and romance genre fans alike.
From Novel to Screen: The Kimi-Hana Journey
The film draws its inspiration from Kaori Mado's "You, Fireworks, and Our Promise" novel series, which was published under Shogakukan's Gagaga Bunko imprint. The novel, featuring enchanting illustrations by Akamoku, was released on December 18, 2025. The transition from a beloved literary work to an anime film allows for a new dimension of storytelling, bringing the vibrant fireworks and emotional journey of Makoto and Aki to life with dynamic animation and a captivating soundtrack. Furthermore, the narrative will extend beyond the silver screen, as a manga adaptation of the film is also confirmed, offering fans multiple ways to experience this poignant tale.
Don't Miss the Magic of Kimi-Hana
With its compelling plot, stellar cast, dedicated staff, and a beautiful theme song by timelesz, "You, Fireworks, and Our Promise" is shaping up to be one of the most anticipated anime films of the year. Get ready to be swept away by a story of fireworks, fate, and an unforgettable promise. Be sure to catch it in theaters starting July 17!
