With that I attacked his cock like I never had before; deep throating him then sliding my lips back up to the tip before going all the way back down. In less than a minute, Mark let out a long shuddering moan, and grabbing my hair started fucking my mouth. I held still while he did and in seconds I felt the first blast of cum hit the back of my throat. Putting my hands on his hips to hold him still I started sucking on just the head of my brother's cock while jerking him off with my right hand.
"Ohh ohh!" Mark continued to moan and twitch as...