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Tsukuba Koichiro

つくば こういちろう

Tsukuba Koichiro

Aliases: 筑波孔一郎 / 宍尾邦憲 / 鴨川浩幸
Pen Names: Tsukuba Koichiro (alternate kanji)（Pen name used in early short stories and publications in 'Genei-jo' magazine）, Shishio Kuninori（Alternate name used on some paperback editions and reprints）

Profile

Gender
Male
Born
1939-01-01 （Tokyo, Japan）
Nationality
Japan
Languages
Japanese

Career

Occupations
Mystery writer, Newspaper reporter
Active Years
1975-2001
Memberships
Kage no Kai (association of Genei-jo newcomers)

Education

Nihon University
Faculty of Law
Country: Japan
Real name is Kamogawa Hiroyuki. Graduation year and other details are not specified in sources.

Awards

Genei-jo Newcomer Award (recommended/newcomer publication)
1975
Work: Requiem of the Locked Room
Organization: Genei-jo (magazine)
Result: 最終候補（推薦新人掲載）

Awards & Nominations

Works

Major Works

Requiem of the Locked Room

1976 Detective short story

A short story published in Genei-jo magazine focusing on a locked-room trick and classical puzzle-solving.

locked roomalibislogical deduction

Murder Is the Proper Attire of Death

1976 Detective novel

A full-length detective novel first published by Genei-jo Novels in 1976.

puzzle solvingfamily and interpersonal grudges

The Man Who Bought Danger

1980 Mystery novel

A novel published in Kadokawa Bunko under the name Tsukuba Koichiro.

crimefate

Echoes of the Locked Room

1986 Mystery novel

Published by Eiko Publishing; contains multiple episodes centered on locked-room scenarios.

locked roomlogical tricks

Orient Express, Stop!

1995 Mystery novel

Published by Kindai Bungeisha; a long-form mystery with locked-room/travel elements.

trainslocked roommobile setting

Bibliography

  • Requiem of the Locked Room (short story, 1976)
  • Murder Is the Proper Attire of Death (1976)
  • Death Is My Partner (1977)
  • Night Dressed in Shroud (1977)
  • The Man Who Bought Danger (1980)
  • Doku Daah Stop (1983)
  • Echoes of the Locked Room (1986)
  • The Reversal Murder of the Blank (1987)
  • The 'Puzzle Solving' Murder Case (1987)
  • 1/60 Second: The Blind Spot of 'Puzzle Solving' (1988)
  • Orient Express, Stop! (1995)
  • Ghosts Like Murder - The Senbo Family's Love and Hatred (circa 2001)
  • The Mystery of the Double Infant Kidnapping - Blood Type Murder Case (circa 2001, under alternate name)

Style & Themes

Literary Style
Classical honkaku (puzzle-based) detective style emphasizing logical tricksTightly plotted short-story construction
Recurring Motifs
locked roomsmanipulated alibislogical solution

Legacy

A mystery writer active mainly in the 1970s through the magazine Genei-jo. Debuted as a recommended newcomer in the Genei-jo Newcomer Award and published many short stories emphasizing locked-room tricks; member of the 'Kage no Kai' group formed around award alumni.

Trivia

  • Real name is Kamogawa Hiroyuki.
  • Debut story 'Requiem of the Locked Room' was published as a recommended newcomer in the Genei-jo Newcomer Award.
  • Published works under multiple pen names (e.g., Tsukuba Koichiro variant, Shishio Kuninori).