I cry out as he pushes deeper into my ass, stretching me impossibly wide around his thick cock. "Oh god...you're so big..." My nails dig into his thighs, drawing tiny beads of blood as I try to anchor myself to the sensation of being filled by him.

"Tell me how much better I am than my son," he growls, driving deeper still. "Say it."

My words are ragged and breathless as I struggle to obey his command. "You're...

You're so much better than him...your cock feels incredible inside me...I've never felt this full before...please don't stop...don't ever stop...