If There Is No Sherlock Holmes in London, Then I Will Be the One.

An accident caused the hero to fall into the foggy London of the Victorian era while staying up late to read a detective novel. This is a world without Sherlock Holmes, where evil thrives in rain and fog. He could only rely on the knowledge of detective stories in his mind to temporarily go into battle, transform into a city detective, solve strange cases, fight against the dark forces entrenched in the corners of the city, and also make a group of reliable companions. A series of seemingly independent murders are connected layer by layer, and a huge conspiracy that can shake the entire city is slowly unfolding under the thick fog. Can he expose the carefully crafted scam and find out the real culprit behind the scenes, and can he find a way back to his original world?