"Good god," Remus groaned, as Sirius sucked a bruising, possessive mark into the smooth, golden skin, working the flesh against his tongue and teeth. Remus tipped his head back, and it thudded against the cupola’s dark, windowed wall. Sirius circled his hips as he licked and sucked, rubbing their hard cocks together through the fabric of their shorts, harder and deeper, but it wasn’t enough. He needed more; he was ravenous for more, more.