Rebecca tiptoed closer to the bedroom door. She felt wrong about listening in on a private conversation. But as the moan came again, she decided that they weren't talking anyway. She pressed her head close to the keyhole.

"Ohhh yeah, baby, get it good! Ohhhh, Jesus Christ, I needed this!"

Rebecca's heart almost stopped beating. But she didn't pull her ear away. Instead she pressed it closer. What was happening? What could this Martha be doing to make David say things like that? Rebecca found her mouth was dry and her breathing very rapid. There was the sound of moving bodies and then David groaning again. Rebecca ignored the juice that was leaking into the thick band of her panty crotch. But she couldn't ignore the way her cunt felt or the way her tits tingled. Something was happening in that bedroom! Something that Aunt Lana would definitely not approve of.

In the bedroom, Martha had her thumb and forefinger tightly circled around David's cockshaft. She jerked upward sharply, letting the fat head of his cock stop her fingers. She lowered them gently and jerked again. She did this once every second, watching the expression of her new boyfriend change.

"Ohhh honey, suck it… would you?"

"Nasty man," she breathed, looking directly into the slitted orifice of his glans. She let his foreskin slide up to cover the blood-packed knob then jerked it sharply downward again.

Martha knew how to jack a man off so slowly that it would finish him for an hour. But she didn't want to finish David for an hour. She'd come over that morning because she was horny. She was so horny that she'd fingerfucked twice during her shower and hadn't begun to feel satisfied. She knew that satisfaction came only with feeling something thick and hard being forced up into her tight, slick pussy. That something thick and hard was the very organ she held in her hand. David's wonderful prick.