Monica, of course

Ava smirks and begins fingering herself as you pull Monica into a deep kiss. Her short, taut body presses fits perfectly against your mountainous form, your cock squeezed tight to her stomach. The two of you stand there and just make out for a minute, hands playing over each other's bodies.

Finally, Monica pulls away and takes a deep, shuddering breath. "I can see why she calls you 'stud'," she says, one hand resting on your pecs, the other gently stroking your cock.

"It's taken a little getting used to, but it's definitely growing on me," you rumble in reply, hand groping Monica's firm ass.

Ava comes up behind Monica and snakes her hands around to cup her breasts. "Mmm, I wasn't sure before now, but she's definitely a little bit bigger up top than I am. Doesn't have anything on your mom, though," she says, winking. "Then again, who could?"

"Mmm, I always wanted to be bigger," Monica moans, as Ava plays with her nipples. "But I'm built more like a runner than a pin-up model."

"How big would you want to be?" You ask, the idea of svelte Monica hauling around huge tits forming in your mind already.

"I don't know if I even have a maximum size," she says, still playing with your cock. "At least big enough so I could suck on my own nipples, I guess..."

Groaning with need, you shift your hands around and grab Monica under her arms, gently lifting her a few inches into the air. She gasps as Ava moves out of the way and you walk over to her bed, gently laying her down on it. You grin as she spreads her legs, eyes now locked on your cock.

"Tell me if you want me to stop," you say, as you line your cock up and begin rubbing the head against her pussy.

"Oh fuck, you really are a stud," Monica says in response.

Taking that as all the invitation you need, you plunge into her waiting depths.

In comparison to Ava's intense, loud vocalizations during sex, Monica is quiet and restrained, but you can tell from her short, panting, breathy repetition of "oh fuck" over and over that she's enjoying herself. For your part, watching Monica's body bounce on the bed beneath you just further enhances how her incredibly tight and wet pussy feels wrapped around your, and it's not long at all before you feel yourself climbing toward your limit.

"Gonna... cum..." you manage to mutter.

Moncia's eyes clamp shut. "I'm on the pill, fill me up! Oh fuck..."

A few final thrusts later and you erupt, with the familiar gray sensation settling over you once again, with the simple choice: