Spike was panting, and clinging to the wall for dear life. And not just because he'd finally looked down at the sheer drop he was leaning out over. It was also because of the sheer sensation overload of a hot, human cock up his arse, feeling the blood pulsing and thumping as if it was trying to leap straight into his veins, hot human fingers digging into his hips, hot human breath on the back of his neck.