Yasmine let out an animal howl as her brother impaled her on his cock. "My God! Jimhal - you're huge. Fuck me! Fuck me!"

He did as she asked and launched into her causing the whole vehicle to shake. His hands squeezed and mashed his sisters large breasts, the wide, dark nipples poking through his fingers.

They rolled together, humping and biting, clawing and grabbing.

They were so wrapped up with animal lust they didn't see their patient slip quietly out of the ambulance.