Manga written by Mangaka Ataka Toya:

Sherlock Holmes Whispers to the Shadows

In a London cloaked in darkness, the Shadow Masters and their nightmarish crimes run rampant. Up against them, as they use the shadows to commit impossible crimes, is none other than the handsome young detective Sherlock Holmes and his partner Watson. In a city controlled by evil, an overwhelming battle of logic unfolds as Holmes takes on the ethereal-like shadow creatures one by one!! Is Holmes’ shadow really his own!?

Action Mystery