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Somei Tamehito

そめい ためひと

Somei Tamehito

Profile

Gender
Male
Born
1983-07-21 (Inzai, Chiba, Japan)
Nationality
Japan
Languages
Japanese

Career

Occupations
Novelist, Screenwriter, Theatre producer, Former talent manager
Active Years
2012-

Awards

Yokomizo Seishi Mystery Award
2017
Work: Bad Summer
Organization: Yokomizo Seishi Mystery Award Committee
Result: 優秀賞

Awards & Nominations

Works

Major Works

Bad Summer

2017 Mystery

A noir-tinged suspense novel depicting the downfall and chain of guilt surrounding a civil servant.

guiltdecayrevengesocial darkness
Adaptations
  • [Film] Bad Summer / 城定秀夫 (2025)

Child of Justice

2018 Mystery

A mystery that questions the line between a sense of justice and its overreach.

justiceethicsviolence

The Trembling Scales

2019 Mystery

A suspense about trials and verdicts, portraying the wavering of truth and justice.

law and justiceevidencepower

The True Identity

2020 Mystery

A mystery about a person with many faces, exploring ambiguous identity and human darkness.

identitydeceptionmultiplicity
Adaptations
  • [TV drama] The True Identity (2022)
  • [Film] The True Identity / 藤井道人 (2024)

Wadatsumi (Sea God)

2021 Mystery

A work where human drama and mystery intersect against a maritime backdrop.

the seapast sinsredemption

Requiem

2022 Mystery

A weighty mystery about loss and atonement with deep psychological characterization.

lossatonementpsychology

Mecchakucha

2023 Mystery

A novel-like long story depicting human behavior in chaotic circumstances.

chaoshuman relationships

Black Thread

2023 Mystery

A collection-like work themed around unseen causality and connections.

causalityconnections

The Entertainment World

2024 Fiction (short story collection)

A collection of short stories set in the entertainment industry, including pieces such as 'Crank Up', 'Fan', and 'Like'.

entertainment industryfamehuman relationships

Bibliography

  • Bad Summer (2017)
  • Child of Justice (2018)
  • The Trembling Scales (2019)
  • The True Identity (2020)
  • Wadatsumi (Sea God) (2021)
  • Requiem (2022)
  • Mecchakucha (2023)
  • Black Thread (2023)
  • The Entertainment World (2024)

Adaptations

  • The True Identity — adapted into TV drama (2022) and film (2024)
  • Bad Summer — adapted into film (2025)

Style & Themes

Literary Style
tense plot constructionfusion of realism and noircareful psychological insight into characters
Recurring Motifs
sin and atonementfamily secretsrevengeambiguous identity

Legacy

A contemporary Japanese mystery writer who drew attention after winning the Excellence Award of the Yokomizo Seishi Mystery Award for his debut 'Bad Summer'. Several works have been adapted, making him a notable figure among young mystery authors.

In Popular Culture

  • The True Identity adapted into a WOWOW TV drama (2022) and a film (2024)
  • Bad Summer adapted into a film (2025)

Trivia

  • Debuted after winning the Excellence Award in the 37th Yokomizo Seishi Mystery Award for his debut 'Bad Summer'.
  • Previously worked as a talent manager and produced stage musicals and theatre.
  • Active on social media such as X (formerly Twitter) and Instagram.