She whimpers and tries to push him away but he's too strong. Her body tenses as she feels the first contraction of her orgasm, then another and another, waves of pleasure building inside her. She can feel herself getting wetter around his cock with each thrust into her ass. Finally, she gives in to the overwhelming sensation and cums hard, her inner muscles clamping down on his dick as she does so
"I...I lose..." she gasps out between moans. "You win..."