breast pumps designed for female nipples probably wouldn’t fit hanzo very well so he’s basically forced to enlist the help of mccree’s mouth
McCree sucking with his eyes closed in contentment and little grunting sounds coming from him whenever he pulls a mouth full into his mouth and swallows it down.
A little trickle escapes his mouth and soaks into his beard. He’ll be able to smell Hanzo’s milk until the next milking time because he refuses to wash his face.
Hanzo has to free his other boob and nudge McCree until he finally switches sides because Jesse gets so focused on sucking (and probably a little sleepy)
it’s all very soft and comforting if Jesse didn’t have an erection the whole time and Hanzo wasn’t hissing at how sensitive and painful his tits have become