Y/n L/n, a psychopath who just moved in into Baker street as Sherlock's new flatmate at 221C. She's exactly like Sherlock but a female and more sadistic, maybe smarter. Nope, definitely smarter. What is her past? What would happen? What is her relationship with the Holmes siblings? What's the dark secret that her friends kept from her? Read to find out. Sherlock x Reader Mycroft x Reader Tom Hiddleston x Reader Chris Evans x Reader Sebastian Stan x Reader Tom Holland x Reader Benedict Cumberbatch x Reader Disclaimer: NONE OF CHARACTERS MENTIONED ARE MINE EXCEPT FOR THE PLOT