This gifset is brought to you by the realisation that not only is this a rare sighting of Mycroft-in-shirtsleeves-and-waistcoat, but he’s also wearing fucking sleeve garters the ridiculously dapper git.
Really, generally, only Greg sees him this way…
I was going to post this earlier with giant chunks of fic and some old drawings because /FANON BECOMING CANON/
YEAH SLEEVE GARTERS now all we need is some dressing gowns and hats.