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Sherlock: The Consulting System

System_Fanfic
An investigator transmigrated into the body of Nathan, a nondescript man living under the flickering fluorescent lights of a London flat in the world of BBC's Sherlock. Bound to the Consulting Detective System (CDS), Nathan must navigate the high-stakes genius of 221B Baker Street using an interface that weaponizes Observation (OBS) and Deduction (DED). Unlike Sherlock Holmes, who relies on innate brilliance, Nathan utilizes a system-generated London Map and a database of Contacts gathered from the city's homeless population to track a serial bomber’s logistics. Armed with meta-knowledge of the "Great Game," he prepares a thirty-seven-page intelligence dossier for Lestrade, hoping to alter the climax at the pool before Jim Moriarty’s games turn deadly. As he balances his growing Social Capital with the risk of system penalties for exposure, Nathan realizes he isn't just solving puzzles—he's becoming the variable that the world's only consulting detective never saw coming.
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