For a moment, he simply breathed through his nose, getting used to the sensation of having something in his mouth like this, and adjusting to the taste of Draco’s flesh. It felt unbelievably intimate, and Harry could feel his own cock straining against the front of his trousers. For now, he ignored his own aching need, and instead pulled his head back and began to suck and bob his head in earnest. Draco let out a cry above him, and his fingers tightened in his hair for the briefest moment, before they relaxed again.