Japanese Literary Awards

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Koji Ishizaki

いしざき こうじ

Ishizaki Koji

Profile

Gender
Male
Born
1963 (Saitama Prefecture, Japan)
Nationality
Japan
Languages
Japanese

Career

Occupations
Novelist, Mystery writer
Active Years
2000-
Affiliations
Employed at a chemical manufacturer

Education

Tokyo University of Science
Faculty of Science / Department of Science
Country: Japan

Awards

Mephisto Prize
2000
Work: Sunday's Silence
Organization: Kodansha
Result: Winner

Awards & Nominations

Works

Major Works

Sunday's Silence

2000 Mystery novel

The author's debut novel and the first in the Miria & Yuri series. Emphasizes logical puzzle-solving and character-driven mystery.

mysterycharacter dramapuzzle-solving

The Island Without You

2001 Mystery novel

An entry in the Miria & Yuri series set on an isolated island, exploring closed-off circumstances and interpersonal mysteries.

isolationlocked-roominterpersonal relationships

Long and Short Spells

2001 Mystery novel

A work in the series characterized by wordplay, devices, and carefully planted clues.

trickwordplayforeshadowing

The Folded-Insert Case

2002 Mystery novel

A mystery whose title evokes magazine-style sealed inserts; a story that accumulates detailed clues to reach a resolution.

detailed cluesmechanismdeduction

The Island of the Neck-Crying Demon

2007 Mystery novel

Published by Tokyo Sogensha (Mystery Frontier). A novel set on an island where strange phenomena intertwine with mystery elements.

islandstrange phenomenainvestigation

The Avenger's Coffin

2008 Mystery novel

A suspense-tinged work centered on revenge, depicting personal obsession and the incidents it provokes.

revengeobsessionmoral conflict

The Murder of ≠

2009 Mystery novel

A work that uses a symbol in its title; contains theoretical and logical tricks typical of puzzle mysteries.

symbolslogical trickdeduction

Murder in the Records

2010 Mystery novel

A work where documents and records provide clues; the plot hinges on examining and interpreting archival material.

recordsarchival investigationmystery

The Fourth Man

2011 Mystery novel

A novel depicting a significant case within the series, focusing on layered interpersonal relationships and uncovering the truth.

interpersonal relationsmulti-layered structureuncovering truth

The Emperor's New Clothes

2012 Mystery novel

Using a fairy-tale motif in its title, this work explores social themes and deception within a mystery framework.

deceptionsocial satiresearch for truth

The Beauty of the Mirror Castle

2013 Mystery novel

A mystery that incorporates motifs like mirrors and castles, with fantastical elements and vivid visual imagery.

fantasymirrorsimagery

Bibliography

  • Sunday's Silence
  • The Island Without You
  • Long and Short Spells
  • The Folded-Insert Case
  • The Island of the Neck-Crying Demon
  • The Avenger's Coffin
  • The Murder of ≠
  • Murder in the Records
  • The Fourth Man
  • The Emperor's New Clothes
  • The Beauty of the Mirror Castle

Style & Themes

Literary Style
Logical, tightly plotted narrativesCharacter-focused narration
Recurring Motifs
isolated settingsclues hidden in detailsrevenge and obsession

Legacy

A mystery writer who debuted after winning the Mephisto Prize. Known for realistic settings and puzzle-focused storytelling, he has a dedicated readership.

Trivia

  • Debuted in 2000 after winning the 18th Mephisto Prize for 'Nichiyōbi no Chinmoku'.
  • Graduated from Tokyo University of Science and has written while employed at a chemical manufacturer.
  • Best known for works belonging to the Miria & Yuri series.