Sparks of Tomorrow: Story, Cast and Series Facts

Story and premise

This was a little while ago. Kyoto in the early 20th century, having evolved differently from the history we know today. In a world where only steam engines had advanced, the city was shrouded in smoke. A boy who lost his brother, with whom he had dreamed of the "Age of Electricity," and now lives with deep suspicion. A girl who keeps her dreams for the future and her regrets for her deceased mother hidden in her heart, now living a devout life. The boy and girl meet while seeking the secret of the "20th Century Electrical Catalog," which depicted their dreams. Surpass who you are now and break through the dreams you once had! This is the story of regeneration.

Series details

• Title: Sparks of Tomorrow
• Format: Animation
• Language: Japanese
• Genres: Anime, Fantasy
• Premiere date: 2026-07-05
• Status in TVmaze: Running
• Network listed by TVmaze: Tokyo MX
• Network country: Japan
• Typical episode runtime: 30 minutes
• TVMaze ID: 88461
• IMDb ID: tt38939446
• TVDB ID: 407704

Cast and credited roles

• Yūma Uchida — Kihachi Sakamoto
• Sora Amamiya — Inako Momokawa
• Kouki Uchiyama — Yosuke Mitsuzoe
• Daisuke Ono — Seiroku Sakamoto
• Shunsuke Takeuchi — Kengo Riku
• Minako Kotobuki — Noriko Momokawa
• Daichi Yo — Suzu Harashima
• Natsumi Kawaida — Okura Kate
• Kazuki Ura — Yagura Yajiro
• Daisuke Hirakawa — Izo Masubuchi
• Hiroshi Yanaka — Momokawa Jinemon
• Mayumi Asano — Naeko Hyakukawa

Seasons in the TVmaze catalogue

• Season 1: premiered 2026-07-05; final listed air date 2026-09-27.

Source and licence

Adapted from Sparks of Tomorrow on TVmaze. The synopsis is reproduced as plain text; catalogue facts, cast and season records are selected and reformatted. This adapted text is available under CC BY-SA 4.0, following the TVmaze API licence. Network and web-channel credits identify the service listed in this source; they do not establish current streaming availability.