You are Moriarty, Then Who am I?

After Russell transmigrated, he was bound to a system where doing evil deeds made him stronger. Since he couldn’t bring himself to do anything truly wicked, he chose to become a phantom thief. By day, he was a kind-hearted neighbor with a bit of a mischievous streak in his landlady Hudson’s eyes, and a lazy slacker to his teachers and classmates. He was also the ever-present “Watson” assistant to his neighbor, Charlotte Holmes. But by night, he was the phantom thief who struck fear into all of London’s high society—and Holmes’ number one target. What’s more, as the classmate of the crime professor, he became the accomplice of Mary Morstan. —Moriarty. ... “You ask why James Moriarty is two people? Isn’t that obvious? James and Moriarty—of course, that’s two people. It’s called: Husband-and-wife teamwork makes the job easier, don’t you know?” — Description from novelcodex.org