Her rear passage, if anything, was tighter then her pussy. He continues to press his cock-head against it until it finally slides into her rear passage, causing him to growl with pleasure at the entirely different feel of this orifice. He wastes no time thrusting into her rear, using their mixed juices as lubricant, forcing his entire length into her until his balls were pressed up against her. He growls again, starting to lengthen his thrusts, making them deeper and more powerful into her anus.