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Kai Mamiya

まみや かい

Mamiya Kai

Profile

Gender
Unknown
Born
1992-01-01 (Oita City, Oita Prefecture, Japan)
Nationality
Japan
Languages
Japanese
Residence History
Born in Oita City, Oita Prefecture; resides in Tokyo, Japan

Career

Occupations
novelist
Active Years
2023-
Influenced By
Atsushi Sasaki, Sumito Yamashita
Nominations
37th Mishima Yukio Prize — nominee (candidate)

Education

Film School (Eiga Bigakkō)
Language Expression Course — Kotoba School (Foundation)
Period: 2023-07〜2023-12
Year of Graduation: 2023
Country: Japan
Attended after final selection in the Hayakawa SF Contest. Took lectures by Atsushi Sasaki and Sumito Yamashita.

Awards

Hayakawa SF Contest — Special Prize
2023
Work: Everything Here Before Dawn
Organization: Hayakawa Publishing
Result: Special Prize (Winner)
Mishima Yukio Prize (Candidate)
2024
Work: Everything Here Before Dawn
Organization: Mishima Yukio Prize Committee
Result: Shortlisted / Candidate

Awards & Nominations

Works

Major Works

Everything Here Before Dawn

2024 Science fiction

Originally published in S-F Magazine after winning a special prize in the Hayakawa SF Contest. The novella/short novel combines near-future speculative elements with lyrical prose to portray people approaching a new dawn and the relationships and emotions between them.

dawnnear-futurehuman relationshipsmemory

Bibliography

  • Everything Here Before Dawn (Hayakawa Publishing, March 2024)
  • "Life Request" — Bungei, Winter 2024 issue
  • "Nue no Kawa" — Shosetsu Shincho, Dec 2024 issue
  • "Tomo i no Hi" — Shincho, Aug 2025 issue
  • "Koukan-kai" — Shosetsu Subaru, Aug 2025 issue
  • Essays (magazine contributions): "One-Person Diary Relay", "My Windowside", "Sleeping Medicine", "The Roomba Arrived", "Viewing History"

Style & Themes

Literary Style
lyrical, delicate prosecomposition that blends quietness with quotidian detail
Recurring Motifs
dawnmemoryrelations between machines/technology and humans

Legacy

Her debut work, after contest recognition and magazine publication, was issued as a standalone book and has drawn attention as a promising young SF writer. She is noted for lyrical description and near-future themes.

Trivia

  • Born in 1992.
  • From Oita City; resides in Tokyo.
  • Debuted after winning the Hayakawa SF Contest Special Prize in 2023 and being published in S-F Magazine.
  • Her book was a candidate for the 37th Mishima Yukio Prize.
  • Has an authority record in the National Diet Library (NDL identifier).