19th century, action, adult cast, adventure, anti-hero, based on a manga, boys' love, class struggle, coming of age, conspiracy, crime, crime fiction, cult, detective, detectives, drama, dystopian, england, episodic, europe, foreign, genius, guns, hero of strong character, historical, industrialisation, lgbtq+ themes, mafia, male protagonist, manga, mystery, organized crime, police, politics, primarily adult cast, primarily male cast, psychological, sherlock holmes, shounen, stoic hero, suicide, supernatural drama, suspense, thriller, tragedy, transgender, urban, victorian era