Keyman – The Hand of Judgement is a gritty supernatural noir manga set in Lockville City, a crime-ridden metropolis where humans, mutants and monsters coexist under constant tension. The story follows Alex Rex, a trench-coat-wearing detective with a monstrous appearance and a mysterious past, who investigates brutal crimes that blur the line between justice and vigilantism. As serial killings, conspiracies and inhuman powers collide, the narrative explores morality, identity and the cost of enforcing order in a corrupted world. Blending hard-boiled detective fiction with superhero elements and dark fantasy, the series delivers violent action, psychological depth and social commentary beneath its pulp exterior. Known for its unique art style, mature themes, morally gray characters and shocking twists, Keyman – The Hand of Judgement attracts readers searching for dark superhero manga, supernatural crime stories, noir action manga, monster protagonists and seinen thrillers. Often compared to Watchmen, Hellboy, Sin City and Zetman, it stands out as a bold fusion of detective noir and grotesque superhuman drama.

🔎 **Keywords:** Keyman manga, Keyman The Hand of Judgement, dark superhero manga, noir detective manga, supernatural crime manga, monster protagonist, seinen action thriller

**Meta Description:** Keyman – The Hand of Judgement is a dark supernatural noir manga following a monstrous detective navigating crime, justice and corruption in a brutal city.

**Alternate Titles:** Keyman – The Hand of Judgement / キーマン / Keyman manga english