I'm not sure which was more exciting; the feeling of her mouth engulfing my cock, or the sensation of watching my niece swallow my cock. Either way, I groaned in pleasure and reflexively jutted my hips forward, trying to force more of myself into her mouth.

As her lips were pressed tight against her fingers she stared up at me, her eyes sparkling mischievously.

My fingers tensed on her breast, squeezing the plaint mound hungrily.

"Mmm," she mewed. Sucking on me she pulled her lips back a little, extracting a couple inches of my shaft from her mouth. Then she pushed her lips onto my flesh again.

"Oh yea," I...