20 Seiki Denki Mokuroku

20 Seiki Denki Mokuroku
Cover of the novel
二十世紀電氣目録
(Nijuuseiki Denki Mokuroku)
Light novel
Written byHiro Yūki
Illustrated byKazumi Ikeda
Published byKyoto Animation
ImprintKA Esuma Bunko
PublishedAugust 10, 2018
Anime television series
Sparks of Tomorrow
Directed byMinoru Ōta
Written byTatsuhiko Urahata
Music byHitomi Koto
StudioKyoto Animation
Licensed byNetflix (streaming rights)
Original networkTokyo MX, BS11, ABC TV, TV Aichi
Original run July 5, 2026 – scheduled

20 Seiki Denki Mokuroku (Japanese: 二十世紀電氣目録, Hepburn: Nijuuseiki Denki Mokuroku; transl. '20th Century Electricity Catalog') is a Japanese light novel written by Hiro Yūki and illustrated by Kazumi Ikeda, with art and backgrounds by Momoka Nagatani. Kyoto Animation published the novel under their KA Esuma Bunko imprint in August 2018. An anime television series adaptation also produced by the studio, titled in English as Sparks of Tomorrow, is set to premiere in July 2026.

Synopsis

In Meiji era Japan, civilization is highly dependent on advanced steam power. Two individuals meet in Kyoto and uncover the secret of the "20th Century Electrical Catalog", allowing them the potential to realize the dreams they once had.

Characters

Kihachi Sakamoto (坂本 喜八, Sakamoto Kihachi)
Voiced by: Yuma Uchida[1]
A timid boy who has a knack of inventing machines. He originally dreamed of ushering in an age of electricity with his older brother using the 20th Century Electrical Catalog, but was forced to repress it following the disappearance of his brother and the catalog.
Inako Momokawa (百川 稲子, Momokawa Inako)
Voiced by: Sora Amamiya[1]
A trustworthy yet unassertive girl who is part of a family of sake brewers. She dreams of following her deceased mother's footsteps of becoming a sake brewer. She also keeps a pet ermine named Inari (イナリ).
Yosuke Mizoe (三添 洋輔, Mizoe Yosuke)
Voiced by: Koki Uchiyama[2]
A talented engineer and heir of a store specializing in steam engines who aims to obtain the 20th Century Electrical Catalog by any means necessary, including an engagement to Inako.
Seiroku Sakamoto (坂本 清六, Sakamoto Seiroku)
Voiced by: Daisuke Ono[2]
Kihachi's older brother, who has a passion for electricity and aims to help usher a new age with Kihachi before mysteriously disappearing with the 20th Century Electrical Catalog.
Kengo Kuga (陸 健吾, Kuga Kengo)
Voiced by: Shunsuke Takeuchi[2]
A former soldier and schoolmate of Seiroku who has imposing physical strength and is familiar with the 20th Century Electrical Catalog carried by Seiroku. He is also Noriko's fiancé.
Noriko Momokawa (百川 規子, Momokawa Noriko)
Voiced by: Minako Kotobuki[2]
Inako's older sister and Kengo's fiancé, who is skilled in martial arts and watches over Inako’s growth, while also secretly possessing the 20th Century Electrical Catalog.
Suzu Harashima (原島 すず, Harashima Suzu)
Voiced by: Yō Taichi[3]
Inako and Kate's witty and cunning classmate who keeps a variety of tools.
Kate Okura (大倉 ケイト, Okura Keito)
Voiced by: Natsumi Kawaida[3]
Inako and Suzu's British-Japanese classmate who is full of energy.
Yajiro Yagura (矢倉 弥治郎, Yagura Yajiro)
Voiced by: Kazuki Ura[3]
Kihachi’s shy cousin who is talented at drawing and is the heir to a boarding house.
Izo Masubuchi (鱒淵 伊蔵, Masubuchi Izo)
Voiced by: Daisuke Hirakawa[3]
Yosuke's secretary and bodyguard who mainly serves as his guardian.

Media

Light novel

20 Seiki Denki Mokuroku is a Japanese light novel written by Hiro Yūki and illustrated by Kazumi Ikeda, with art and backgrounds by Momoka Nagatani. Kyoto Animation published the novel under their KA Esuma Bunko imprint on August 10, 2018 (ISBN 978-4-907064-88-4).[4][5]

Anime

On July 27, 2018, KA Esuma Bunko's Twitter account announced that an anime adaptation of the novel would be produced, and would be animated by Kyoto Animation, but the project's status remained unknown for years following the arson attack next year, which destroyed Kyoto Animation's main production office.[5][6]

On October 25, 2025, Kyoto Animation announced during its "KyoAni no Sekai-ten" ("Meet the Worlds of KyoAni") event that the anime adaptation would be a television series, titled 20 Seiki Denki Mokuroku Eureka Evrika (二十世紀電氣目録-ユーレカ・エヴリカ-) and known in English as Sparks of Tomorrow. It will be directed by Minoru Ōta, with series composition handled by Tatsuhiko Urahata, characters designed by Kohei Okamura, who will also serve as chief animation director, worldview setting handled by Takaaki Suzuki, and music composed by Hitomi Koto. The series is set to premiere on July 5, 2026, on Tokyo MX and other networks.[1] An advance screening for the first episode will be held at the 2026 Annecy International Animation Film Festival.[7] The opening theme song is "Eureka Evrika", performed by Luna Goami, while the ending theme song is performed by Ginger Root.[3] Netflix will stream the series globally.[8]

Reception

20 Seiki Denki Mokuroku won an honorable mention in the full-length novel category at the 8th Kyoto Animation Awards in 2017. The entry was the only one to win any of the awards available that year.[9][5]

References

  1. ^ a b c Hodgkins, Crystalyn (October 25, 2025). "Kyoto Animation's Sparks of Tomorrow TV Anime to Debut in 2026". Anime News Network. Retrieved October 25, 2025.
  2. ^ a b c d 京アニ新作TVアニメ「二十世紀電氣目録」に内山昂輝、小野大輔が出演. Comic Natalie. February 13, 2026. Retrieved February 13, 2026.
  3. ^ a b c d e Hodgkins, Crystalyn (March 29, 2026). "Sparks of Tomorrow TV Anime's Promo Video Reveals Theme Songs, July 5 Debut, More Cast". Anime News Network. Retrieved March 29, 2026.
  4. ^ 二十世紀電氣目録. Kyoto Animation (in Japanese). Retrieved July 27, 2018.
  5. ^ a b c Hodgkins, Crystalyn (July 27, 2018). "KyoAni Reveals Anime Adaptation of 20 Seiki Denki Mokuroku Novel". Anime News Network. Retrieved July 27, 2018.
  6. ^ Hodgkins, Crystalyn (July 19, 2019). "Kyoto Animation President States in Interview That All Materials, Computers Were Destroyed in Fire". Anime News Network. Retrieved July 19, 2019.
  7. ^ Mateo, Alex (April 5, 2026). "Candy Caries, Jaadugar: A Witch in Mongolia, Takopi's Original Sin, Sparks of Tomorrow Anime Screen at Annecy". Anime News Network. Retrieved April 5, 2026.
  8. ^ Pozirekides, Troy (January 27, 2026). "Sparks of Tomorrow Anime Ignites This July". Netflix Tudum. Retrieved January 27, 2026.
  9. ^ 第8回選考結果・総評 | 京都アニメーション大賞. Kyoto Animation (in Japanese). Retrieved November 7, 2022.
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