Remus feels his breath catch at the slide of Sirius's tongue over his mouth, and he lets out a tiny, whimpery noise of joy feeling those fingers move over his scarred skin. His fingers manage to get Sirius's laces undone despite their trembling, and then his hand slides in to get his hand on the other's cock with all the awkward enthusiasm a nineteen-year-old should have.

"Merlin, Pads. 'S been too long."