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Tetsuya Ichikawa

いちかわ てつや

Ichikawa Tetsuya

Profile

Gender
Male
Born
1985-10-31 （Nakatosa, Takaoka District, Kochi Prefecture, Japan）
Nationality
Japan
Languages
Japanese
Residence History
Resides in Nakatosa, Takaoka District, Kochi Prefecture, Japan

Career

Occupations
Novelist, Mystery writer
Active Years
2013-

Education

Taisei Gakuin University
Faculty of Human Studies / Department of Psychology
Country: Japan

Awards

Ayukawa Tetsuya Prize
2013
Work: The Detective's Proof
Organization: Sogen Mystery / Mysteries!
Result: Winner

Awards & Nominations

Ayukawa Tetsuya Award 1 appearances
  1. Edition 23 (2013) award
    Work: A Great Detective's Worth

    A long-form mystery in which the legendary detective Keijiro Yashiki, once a dominant force in the mystery world, takes on a threatening letter and a locked-room case alongside the young detective Hanako Mikan.

    An aging detective and a young detective face the case together, each staking their revival on the outcome.

    334 pages
    detectivecomebackthreatening letterlocked-room murderorthodox mystery

Works

Major Works

The Detective's Proof

2013 Mystery novel

Debut novel that incorporates the special figure of a 'great detective' into a honkaku mystery, constructing a story about classic mystery and the detective.

Honkaku mysteryDetective fiction

The Detective's Proof: Locked-Room Mansion Murder

2014 Mystery novel

A sequel in the series focusing on a locked-room trick mystery.

Locked-roomTrick

The Detective's Proof: The Glory of Mikan Hanako

2016 Mystery novel

A volume in the series that mixes character glory with mystery; contains short-story elements.

Character studyMystery

The Rooftop Detective

2017 Short story collection

Contains series-related short stories and original pieces, including 'Mizugi Logic'.

Short storiesSchool mystery

The After-School Detective

2018 Short story collection

A volume centered on school-based short mysteries.

SchoolYouthPuzzle solving

Kill That Witch

2023 Mystery novel

Standalone novel; ranked in mystery rankings in 2024.

CrimeRevenge

Bibliography

  • The Detective's Proof (2013)
  • The Detective's Proof: Locked-Room Mansion Murder (2014)
  • The Detective's Proof: The Glory of Mikan Hanako (2016)
  • The Rooftop Detective (2017)
  • The After-School Detective (2018)
  • Kill That Witch (2023)
  • The Attic Watcher (uncollected, 2015)

Style & Themes

Literary Style
Trick-focused honkaku styleExplanatory, logical puzzle-solving
Recurring Motifs
Detective figureLocked-room mysteriesSchool settings

Legacy

Debuted after winning the Ayukawa Tetsuya Prize and has been recognized as a rising author in honkaku mystery; several works have appeared in mystery rankings.

Quotes

  • "He masterfully brings the special figure of the 'great detective' into the world of honkaku mystery and constructs a singular story about classic mystery and the detective. Truly a work that could only be recognized by the Ayukawa Tetsuya Prize."
    Source: 23rd Ayukawa Tetsuya Prize presentation (Judge: Kaoru Kitamura) (2013)

Trivia

  • He is a big fan of Hello! Project.
  • On X (formerly Twitter) he specifies "the mystery writer one" to distinguish from a namesake boat racer.