[IN EDITING] Sherlock X Sister!Reader § We all know the two brothers that we know and love, Mycroft and Sherlock. But what if that they had a little sister that they never dared to tell? That's where y/n comes in. After all of her life in Cardiff, she finally returns to London, where her life started. She meets a new friend named Molly as she shows her a news paper, about the great Sherlock Holmes. She couldn't help it but visit him. [I DO NOT OWN SHERLOCK HOLMES, BBC DOES]