I wrote Sherlock (2010 tv drama) fanfiction.
Here is the summary:
When an AI copy of Sherlock Holmes starts solving crimes online, London thinks the great detective has gone digital. But the real Sherlock knows better — someone has stolen his mind, stripped it of empathy, and unleashed it on the world.
The replica is flawless in logic, heartless in execution — and disturbingly flirtatious with John Watson “for research purposes.”
Sherlock is not amused.
As the two detectives — one human, one machine — battle for control of London’s secrets, John finds himself in the middle of a rivalry that’s equal parts hilarious, terrifying, and unexpectedly tender. Because when logic meets love, even the world’s greatest mind has to admit:
affection isn’t a flaw. It’s the difference between man and machine.
You can read the story here on fanfiction archive:
https://archiveofourown.org/works/72844206