Joe had cum four times - three times watching her and once, just now, in her throat. He wasn't sure he could get it up again. Hannah got on her knees and, grasping both of her breasts and pushing them together, pressed them to his mouth. He began to suck and lick and bite them as she pushed them insistently into his mouth. His cock began to harden.

Joe flipped Hannah on her back and continued to devour her perfectly shaped breasts. He thought that he could cum a hundred times and would still want to suck her tits. As he continued his ministrations, his sister's moans of delight caused...