Kieren's practically shaking and Sirius pushes in closer, his concern mounting as he rests a hand on Kieren's side and the other on his shoulder, fingers grazing his neck in an attempt to reassure him. Whatever's happened, Kieren's here now. He's home with Sirius. He's safe.

"Did it bite you?" he asks, moving his hand from Kieren's hip to the rip of his shirt, shifting the fabric to try to see the skin beneath.