Judging by its name, it offers Sherlock Holmes-style investigation and deduction cases, though there's no reliable, verifiable information about its studio or exact mechanics.
It remains one more piece of the Japanese mystery catalog that never crossed borders nor left a solid documentary trace.
This system doesn't run in the browser yet (Dreamcast, GameCube, PS2 and Xbox are on the way as web emulation matures). The dossier, media and community are already all yours.

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