[His breath catches as Kaname edges just that slightest bit closer, touching him -- he's warm, why is he warm, vampires aren't supposed to be warm -- and it takes him a few rapid, staccato heartbeats of thinking soclose before his eyes flick up again in time to fix on Kaname's.
[Intellectually Lelouch wants to bristle... he wants to be irritated, to object, to find an excuse to regain some of his equilibrium and distance himself from the danger here. But something about Kaname gets under his skin in unfamiliar ways, makes him react to his nearness, his warmth, those -- intense red eyes -- and it's hard to remember what he wants. Or what he should want. Because some part of him doesn't mind. Doesn't mind at all.
[In a fleeting moment of clarity as Kaname pulls them together he thinks, Fine. I'll allow this. Just this once.
[...and so there is the tiniest relaxation as Kaname's mouth falls to his, flushed so very much but unresisting, and he tilts his head in the most mild of invitations.]