[For a moment, he simply lets Shiro make that contact without question, at first watching him wordlessly, then closing his eyes a little, all unflinching to his touch. Maybe he finds it kind of relieving in a sad way - just glad he'll still reach for him and touch him despite everything, sorry as he is for the guilt he knows Shiro feels.
It's a quiet moment like that and then, before he can draw his hand away again, Keith moves his arm, lifts his hand too, so he can cover Shiro's hand over his cheek and keep it there, still light but so very purposeful.]
Shiro.
[Murmurs his name just for the sake of it, knowing it's not - can't be all right, not right now, so he won't say that, but. Still.]