((OOC: This is an OOC cut, because Reg wouldn't care, but I love you all enough not to subject you unwillingly to bestiality, even if it is purely for comedic purposes.))
Sirius gasped, arching and moaning in response to the soft brush of belly fur against his abdomen. He'd been extremely leery of this, but now he was glad he'd let Remus talk him into it.
He sucked in a breath, spine bowing with pleasure, as dangerously sharp teeth grazed in a remarkably gentle way against his sternum, traveling along the curve of one of his pectorals.
"That's it," he panted. "That's the ticket. Just a little higher, won't you?" His voice was low and husky with need, the desperate tone he used when he didn't want to be teased.
Remus obediently moved to Sirius's left nipple, lapping at it lightly as his lover squirmed beneath him. And then something animalistic clicked in his rodenty hedgehog brain, and he bit Sirius's nipple clean off. Well. Not really so clean, since there was blood everywhere. So just, off.
And that, boys and girls, is why you should never trust a rodent.