Don't Be An Idiot Ackerman(LevixMikasa)

Authors note: Yes, yes, I realize that technically in the series Levi is in his thirties and Mikasa is not, but for this stories sake he is in his late twenties and she is in her early/mid twenties. Thanks Levi is not one to be overcome by emotion. Ever. Or at least on the outside. But when things begin to go wrong...