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Yuki Shasendō

しゃせんどう ゆうき

Shasendō Yūki

Pen Names: Yuki Shasendō（Pen name inspired by Shimada Sōji's 'Naname Yashiki no Hanzai'）

Profile

Gender
Female
Born
1993-04-01 （Akita Prefecture）
Nationality
Japan
Languages
Japanese
Residence History
Akita Prefecture → Saitama Prefecture

Career

Occupations
Novelist
Active Years
2017-
Memberships
Mystery Writers of Japan, Honkaku Mystery Writers Club of Japan, Hen-kaku Mystery Writers Club, Science Fiction Writers Club (Japan)
Influenced By
Shinichi Hoshi, Kaoru Hayamine, Yuya Sato
Nominations
Candidate for the 21st Honkaku Mystery Award (Novel category) — 'Paradise Is the Detective's Absence'

Education

Sophia University
Faculty of Letters / Department of German Literature
Country: Japan
Won the Media Works Bunko Award (23rd Dengeki Novel Prize) in 2016 while enrolled.

Awards

Media Works Bunko Award (23rd Dengeki Novel Prize)
2016
Work: Kinema Detective Kaleido Mystery
Category: メディアワークス文庫賞
Organization: Dengeki Novel Prize (ASCII Media Works / KADOKAWA)
Result: 受賞
4th 'Booksellers' Choice: Adult Romance Novel Award'
2024
Work: Let Not the Stars Love People
Organization: Booksellers' Choice Adult Romance Novel Award Committee
Result: 受賞

Awards & Nominations

Works

Major Works

Kinema Detective Kaleido Mystery

2017 Mystery (cinema-themed)

Debut novel focusing on film-themed tricks and puzzle-solving; notable for its cinematic settings and contrivances.

cinemapuzzle-solvinglocked-room

Paradise Is the Detective's Absence

2020 Honkaku mystery

A long-form honkaku mystery that subverts traditional detective tropes; received critical attention and was shortlisted for the Honkaku Mystery Award.

absence of the detectivemeta-mysterypuzzle-solving

Murder at the Abandoned Amusement Park

2021 Mystery

A mystery set in an abandoned amusement park combining classical puzzle elements with atmospheric setting and interwoven clues.

ruinscommunity secretsdetective work

Kaiju (Kaiki)

2023 Science fiction

A collection centered on science fiction short and medium-length pieces exploring technology, memory, and time.

timememorytechnology

The Spine of the Book Remains Last

2023 Fantasy / SF

A fantastical short story collection themed around books and reading, featuring uncanny premises and allegorical tales.

booksfantasyshort fiction

Let Not the Stars Love People

2024 Romance

A novel exploring adult romance with delicate emotional detail; awarded the Booksellers' Choice Adult Romance Novel Award.

romancerelationshipsmaturity

Bibliography

  • Kinema Detective Kaleido Mystery (Media Works Bunko, 2017)
  • Kinema Detective Kaleido Mystery: Encore (2017)
  • Kinema Detective Kaleido Mystery: Fallout (2018)
  • Kinema Detective Kaleido Mystery: Reenactment (Kobunsha, 2025)
  • Regrets and Youth of the Body-Burying Club (Shinkigensha, 2019)
  • Memoirs and Revival of the Body-Burying Club (Shinkigensha, 2020)
  • Kami-Kami Incarnation Vol.1: Recollections of Haru (KADOKAWA, 2021)
  • The Wish of Beginning (Kami-Kami Incarnation) (KADOKAWA, 2022)
  • Project Moriarty 1: The Cram School That Definitely Improves Grades (Asahi Shimbun Publications, 2024)
  • Until I Kill My Favorite Novelist (Media Works Bunko, 2018)
  • Because It Would Have Been Perfect If You Died at the End of Summer (Media Works Bunko, 2019)
  • Call Me by No Name (Seikaisha FICTIONS, 2019)
  • The Sickness That Leads to Love (Media Works Bunko, 2020)
  • Paradise Is the Detective's Absence (Hayakawa Publishing, 2020)
  • Best Before the Golden Time (Shodensha, 2021)
  • Murder at the Abandoned Amusement Park (Jitsugyo no Nihonsha, 2021)
  • If It's Not Love, Then What Is This? (Shueisha, 2021)
  • May Your Earth Become Flat (Shueisha, 2022)
  • Kaiju (Hayakawa Publishing, 2023)
  • The Spine of the Book Remains Last (Kobunsha, 2023)
  • Let Not the Stars Love People (Shueisha, 2024)

Adaptations

  • Mouse Two-Person Play (voice drama — scenario writer)
  • Killtime Killers (board game — scenario)
  • Not Suited for the Magical Girl Profession (manga original)

Style & Themes

Literary Style
A pop, accessible prose style combined with intricate mystery plottingGenre-blending across mystery, SF, coming-of-age, and romance
Recurring Motifs
cinema and film motifsbooks and readingshifts of memory and time

Health

  • frail health in childhood
    幼少期
    Frail health in childhood led to extensive reading, which became formative for later creative work.

Legacy

Recognized as one of the promising younger authors in mystery and SF; garnered attention through awards, nominations, and appearances in genre rankings.

Academic Societies

  • Mystery Writers of Japan
  • Honkaku Mystery Writers Club of Japan
  • Science Fiction Writers Club (Japan)

Archives

  • National Diet Library authority ID: 001256563
  • VIAF identifier: 499149066512565601019

In Popular Culture

  • 'Paradise Is the Detective's Absence' ranked in multiple mystery lists (e.g., Weekly Bunshun Mystery Best 10 — 3rd place in 2020)
  • Frequent inclusion in short-story anthologies and magazines, increasing exposure across readers

Quotes

  • Had it not been for Yuya Sato, I would not have become a novelist.
    Source: GoodShoGoodDay (Asahi) interview (2021)

Trivia

  • Pen name is inspired by Shimada Sōji's 'Naname Yashiki no Hanzai'.
  • Debuted after winning the Media Works Bunko Award (23rd Dengeki Novel Prize) in 2016 while still a student.
  • Active on X (formerly Twitter) under the handle @syasendou.