She certainly is!

Rachel doesn't reply to your question using words. Instead the utterly gorgeous brunette glances over her shoulder, and nods her head vigorously in an affirmative. Your girlfriend's eyes narrow into slits, and a horny little moan escapes her lips thanks to your close proximity, and your large hand slowly stroking her throbbing member. 

"Fuck, John! I fucking love this!" Rachel groans lustily in response to the hand not slowly jerking her off leaving her narrow waist, and instead latches onto her huge boobs. 

Your talented fingers begin exploring every centimeter of your girlfriend's immense left orb of perfect, succulent tit flesh. Rachel's groans turn into lustful little whimpers every time your fingertips flick her rock hard nipple, and she begins bucking her hips wildly. Loud throaty groans escape from the back of your throat, due her hotdogging your achingly stiff schlong with her incredible butt cheeks.

"Rachel.... if you keep this up I'm going to cum soon!" You groan into her ear, afraid that you will waste your first load of the day by spraying it over Rachel's back, and flawless ass cheeks due to friction alone.

The stunning beauty once again cranes her neck to look up at you over her shoulder. Thankfully she ceases her impromptu hotdogging,and twerking. Instead she stays perfectly still, purring softly like a contented kitten as you slowly caress her breasts, and stroke her thick rod.

"I forgot to ask, John. Did you like my little show for you?"

"Of course I did, Rachel". You reply softly to your lover's rather unnecessary question. "I love watching you playing with yourself, and making yourself cum".

"It's not the first time I've played with myself in this shower, and made a mess". Rachel admits with a giggle. "Although it's the first time I've had an audience while doing so".

"Not necessarily, honey". You gently counter, while Rachel flashes you a look of confusion. "We know about your sister's penchant for watching. Perhaps she's watched you here too".

"Maybe, but John, it's hardly a classic seduction technique to talk about a girl's sister when she wants you inside of her!" Rachel counters, yet the smile tugging at the corners of her lips, and twinkle in her eyes reveals her state of arousal.

"That is true..." You concede with an amused smile. " But 'this' tells me that it didn't do me any harm!" You whisper in her ear while giving her thick rod a long, slow stroke. Rachel's cock is still at it's full impressive length, and throbs gently in your gentle grip.

The gorgeous brunette whimpers lustily as you slowly jerk her off, before snaking her way out of your grasp, to which you assist her by letting go of her tits, her throbbing erection, and taking a step back. Rachel turns around so her back is pressed up against the far wall. Your lover lowers her gaze to the fat schlong proudly standing to attention in between your legs, and licks her lips seductively.

Rachel closes the gap between the pair you in one step and kisses you fiercely, driving her tongue into your mouth, before latching onto your wet muscle. Her huge wet tits mash themselves up against your torso.

"I need you in me, John". Rachel whispers after ending the passionate embrace.

"I need you too, Rach". You whisper back, as you shift your stance slightly so your schlong is gently nudging against the slick entrance of your girlfriend's womanhood.

"John!" Rachel whispers in an almost dreamlike tone as her eyes narrow once again into little slits.

 Rachel's beautiful eyes widen just enough for you to catch the wild glint in them, as she places her hands on your chest, and pushes you to the wall of the shower behind you. With your back right up against the wall, you quickly find that you have nowhere to go as Rachel nimbly spins around and begins reversing towards you. Your eyes are drawn to Rachel's ass as it begins to bump and sway as she moves closer and closer, until your field of vision is utterly dominated by your girlfriend's big, juicy ass bouncing towards your fat schlong.

"Just stand there for me, John. I want to fuck myself silly on your fat cock!" Rachel declares with a lustful purr as she just about wraps her fingers around the shaft of your thick fuckpiece, to which you grunt darkly, and nod your head.

Rachel winks at you over her shoulder as you can feel your cockhead pressing against her asshole.

“Fuck!" Both Rachel, and yourself cry out in unison, as Rachel pushes herself further back, easing the crown of your cock through her tightest hole.

While Rachel is working her ass along your formidable fuck pole, your hands are on her waist as she whimpers happily and you groan over and over again in response to her forcing more and more of your cock into her widened bung hole.

“Fuck,” Rachel gasps once her ass cheeks make contact with your groin, and her balls press up with your own heavy sacks of skin, a very sure indicator that she has succeeded taking your member  all the way up her ass, and she leans back against your chest contentedly. 

As if that wasn’t enough, you can feel the wetness seeping out of her pussy and onto your balls.

"Now this is where the fun begins". Rachel purrs, quoting Star Wars' beloved smuggler turned General, and slowly moves her hips forwards. The gorgeous brunette whimpers as inch after inch of your rigid tool emerges from her widened bung hole until only it's bulbous head is still trapped inside Rachel's tight ass.

"Fuck!" Rachel cries out as she implales herself once again on your fuckpiece in one quick motion, her tasty ass cheeks colliding with your groin resulting in a loud slapping noise to fill the cramped shower cubicle.

While you stand up against the shower wall using it for leverage the woman you love is bucking her hips wildly as she impales herself on your member time and time again, her huge breasts bouncing spectacularly, and her erect cock slapping against her stomach with every backward thrust. While she’s doing this, Rachel is producing a chaotic symphony of moans, gasps and sighs, the sort of sounds that you would be happy listening to for the rest of your life.

"Fuck! This feels so good, Rachel!" You groan between gritted teeth as your gaze lowers to watch the spectacular sight of Rachel's big, firm ass cheeks colliding with your crotch, swallowing all of your purple headed warrior, only to pull away, and begin the process all over again a moment later. 

With both Rachel and yourself enjoying yourselves immensely, it comes at quite a surprise to you that the gorgeous brunette stops thrusting herself onto your schlong, and instead begins to slowly grind her flawless heart shaped butt cheeks across your crotch, with your cock still buried in her ass.

"Um, Rachel? What are you doing?" You groan in her ear, unable to filter out the arousal and disappointment in your voice.

The curvaceous teasing brunette flashes a naughty smile at you over her left shoulder. Maintaining eye contact with you she continues her slow, teasing grind, her beautiful lust filled eyes waiting to see how much more teasing you can take before taking control of the situation.

As it turns out you couldn't take much more teasing. Instead you decide to retake the initiative by grabbing hold of your lover's narrow waist,  and leading her towards the far way of the shower cubicle. Rachel gasps in surprise and delight at you taking charge, and has to place both hands against the wall to avoid the very unfortunate idea of hitting her head on the tiled wall.

"Oh Rachel, I thought you would know by now what happens when you tease me like that". You hiss in her ear, quickly backing up your words  by pulling your hips back and then thrust forwards again, spearing the base of your cock through her ringpiece.

"I think you need to remind your dirty dickgirl slut, John!" Rachel cries out, her voice trembling with pleasure.

"Alright then!" You reply, and with further preamble you leave only one hand on Rachel's waist, and strike her sweet cheeks with the back of your right hand.

"OOHH!!!" Rachel cries out, more in arousal rather than pain as you put barely any force into your slap. She squirms in your grasp, but you tighten the grip of your left hand around her waist, pulling out until only the crown of your fleshy flagpole remains in her ass, quickly following it up with a nice quick thrust into her stretched orifice.

FUCK!!!!" Rachel cries out.

"Mind your language slut!" You hiss in her ear, before delivering another firm slap to her delectable derriere, before following it up with two quick thrusts in and out of her anal passage.

"OOWW!! John, you nasty fucking stud!!!" Rachel hollers at the top of her lungs, which of course you 'punish' her with another slap to her flawless butt cheeks, and a long slow piston like motion on her dark tunnel.

"Rachel, this is supposed to be a punishment you know. You're not supposed to be enjoying this!" You chide gently, when you glance to see her rock hard cock throbbing violently in between her legs. Rachel groans lustily as the hand you've been using to strike her buttocks wraps itself around her throbbing member.

Incoherent sounds pass through Rachel's luscious lips as you jerk her off, and begin to fuck her ass properly now. All sense of control for Rachel has gone. She has totally submitted to you, trembling in your arms, and if the pronounced throbbing of her cock in your large hand is any indication extremely close to orgasming.

"John! I love being your slut!" She screams at the top of her lungs, as her orgasm takes hold, and the first rope of thick cum shoots out of her flared cock head, coating the tiles with pearly white jizz.