My Quick Wear Partner Is Sherlock Holmes

[Quick time travel, comprehensive collection of various Western suspense novels. [The world of fast travel is also self-created, which may have supernatural powers and vampire elements. I am Watson. After I was discharged from the army, I was bound to a quick travel system (?). It was a bit strange when I first saw this kind of thing. The mission is to travel through different eras to solve long-standing suspense cases. I didn't understand. After all, I'm not a detective. The system also specially found a detective partner for me - Sherlock Holmes. Intention: Justice will prevail