Mark's hips twitched and he moaned into my pussy as, holding his cock in my mouth, I started swirling my tongue around it. My brother returned the favor; sucking my swollen clit into his mouth and playing his tongue across it. Moving forward, I took more of Mark's cock into my mouth. I whimpered softly as Mark slowly sucked on my clit while I enjoyed the sensation of his cock growing hard in my mouth. I angled my head off of Mark's leg to be able to take his now fully erect cock deeper into my throat. As I did, I once again caught our reflection in the mirror. I...