[ Male omegas being as rare as they are, and Shiro's experience being what it was, he's only used to this kind of sex being a slow process of opening up and gentling in. He's never felt the raw, animal side of himself hunger for someone this way, and once Keith makes his demand? It's impossible not to obey.
He withdraws his fingers and doesn't bother wiping them off before he lifts Keith, takes himself in hand to line up and then sinks Keith down onto him in one easy slide and -
no subject
He withdraws his fingers and doesn't bother wiping them off before he lifts Keith, takes himself in hand to line up and then sinks Keith down onto him in one easy slide and -
and the world shatters. ]
Keith!