Heather stopped bouncing. She craned her neck down a little further as Sam pulled her breast up a bit harder. Heather's lips closed around her own nipple. Her eyes fluttered with pleasure.

Holy crap that was hot.

I watched Heather's closed mouth move as she twirled a tongue on her own nipple inside her mouth. Then her jaw worked slightly and I realized she was nibbling at it gently. She opened her eyes and looked down at me. She winked and my dick grew another half inch.

Soon Sam was pulling the breast from Heather's mouth, the nipple coming free with a distinct "pop." Sam lifted the other boob up...