'You, Fireworks, and Our Promise' Anime Film's Trailer Unveils More Cast & Staff, Theme Song Posted on May 19, 2026 By admin No Comments on 'You, Fireworks, and Our Promise' Anime Film's Trailer Unveils More Cast & Staff, Theme Song timelesz performs theme song “Kienai Hanabi” Source: https://www.animenewsnetwork.com/news/2026-05-18/you-fireworks-and-our-promise-anime-film-trailer-unveils-more-cast-and-staff-theme-song/.237508 Anime