"Seems So Easy for Everybody Else" by etothepii
PG-13; 15,000 words; trigger warnings for trans issues, brief mention of suicidal ideation.
He signs his correspondences to the police as Sherlock H, as he always has, and he signs his letters to his parents as SH -- they can take what they will from the S. He signs his school assignments S. Holmes, and manages to get away with it because he is the only Holmes in his classes. FtM!Sherlock.
!!!