Her flat belly pumped gently.

Her cunt sucked his cock in balls-deep.

He fondled her hard tits and pulled at the swollen pink tips. He wanted to kiss her, but guessed she would not welcome a sign of affection or emotion.

His thighs braced as, once again, he prepared to throw a cock-thrust into her. But her cunt was gripping his cock so tightly that he couldn't pull back!

"No – don't hump, Coach," Ida panted. "This isn't fucking, remember. Just keep still and let me exercise my pussy-muscles."

All of his prick was buried. Her cunt-lips were glued on the hairy hilt and his big balls were jammed tightly to her trim ass. Her cunt tingled on the base of his cock. She wriggled her ass and hips a bit, but only slightly. Her cunt was doing the job unassisted.

The inner rings of her cunt muscles fluttered up and down on his cock-shaft in sequence, and the core of her cunt was sucking on his cock-knob like a mouth.

Red had never known a sensation like it. It wasn't like fucking, because he wasn't moving at all. It dawned on him that she was getting all of the benefits of this bizarre workout, since he was inactive. But he didn't give a damn about that.

His cock-meat was throbbing inside her, but not sliding in and out. He didn't need the friction of humping. Her cunt was doing the job to perfection. It felt more like a blowjob than a fuck, he thought – and so tight that it was more like ass-fucking than cunt-stuffing.

She tightened her cunt convulsively.

Red groaned. It felt as if she were puffing his prick out by the roots. He could feel the suction all the way back in his asshole.

Pre-cum was dribbling into her pussy now, as the magic massage of her cunt brought him toward the creamy conclusions. She whimpered as she felt the spunky flow seep into her. Her cunt-chute got wetter as she began to melt, yet stayed as tight as ever.

Red wondered what secret methods she used to build up her cunt-muscles. Her pussy could have sucked the batteries out of a flashlight!