Gina nervously sat in the waiting room, fidgeting with her hands. She had been suffering from severe constipation for weeks and was at her wit's end. After much embarrassment, she finally made an appointment with the proctologist.

"Gina Simmons?" The nurse called her name. Gina stood up, smoothing her skirt, and followed the nurse down the hallway. "The doctor will see you now."

Gina entered the exam room, her face flushed. The doctor greeted her warmly. "Hello Gina, I'm Dr. Johnson. Please make yourself comfortable and tell me what brings you in today."

Gina explained her symptoms, squirming as she spoke. Dr. Johnson listened intently, nodding. "I see. We'll need to do a thorough examination to determine the cause. Please remove your clothes from the waist down and lie back on the table."

Gina blushed deeply but complied, sliding out of her panties and positioning herself on the exam table. Dr. Johnson flipped up the thin paper sheet to expose her naked bottom. He snapped on a pair of latex gloves and lubricated a long, gloved finger.

"Deep breaths now Gina," he said soothingly. "This may be uncomfortable." Dr. Johnson slowly pushed his finger into her tight anal ring. Gina gasped and tensed up. "Relax for me," he coaxed. "Let it in."

As he probed deeper, feeling around inside her rectal passage, Gina began to release her tension, grunting and clenching around his invading digit. Dr. Johnson slid a second finger in alongside the first, spreading and stretching her impossibly tight sphincter.

"Oh god!" Gina whimpered, face burning with humiliation as he explored her most intimate area. Dr. Johnson felt something hard lodged inside her - likely the source of her blockage. He would need to forcibly remove the anal impaction.

Keeping two fingers buried knuckle-deep in her bottom, Dr. Johnson reached for a small metal device - a rectal dilator. He coated it in lubricant. "You may feel a bit of discomfort as I insert this," he warned.

Gina nodded breathlessly, heart pounding out of her chest as she braced herself. Dr. Johnson withdrew his fingers and slowly pushed the dilator into her stretched opening. Gina cried out at the intense pressure and burning sensation as it expanded her clenching walls. "Oh fuck, it's too big!" she wailed.

"Nngh, keep going. It needs to open you up," Dr. Johnson instructed, pushing the dilator even deeper until it popped fully inside her, making her gasp and moan. "Good girl. Now, I need you to bear down and push it out with your bowels."

Trembling, Gina focused on relaxing her anus, bearing down to expel the instrument. With a wet squelch, the dilator slid out, bringing a hard plug of stool with it. Dr. Johnson set it aside. "The blockage is removed. Your rectum needs to be thoroughly cleaned and stimulated now."

Gina blushed, realizing how aroused she was becoming from the intense anal invasion. Dr. Johnson lubricated a long, thin metal rod with a knob on the end. "This can't be hygienic," she protested weakly.

"Trust me," he said with a reassuring smile. Dr. Johnson pressed the knob against her fluttering anus. "Deep breaths Gina. I'm going to insert this and thrust it in and out of your bottom."

"Oh god, what are you doing?!" Gina cried out as he relentlessly pushed the rod past her tight sphincter and plunged it deep into her sensitive rectal passage. Stretching her open, he began to vigorously pump the rod in and out, thrusting it with quick, hard strokes.

"Ahhhnnn!" Gina wailed, back arching off the table as Dr. Johnson deeply penetrated her most private hole over and over. Her neglected vagina clenched and leaked. The stimulation was intense.

"You're doing well Gina. Keep pushing back on the rod," Dr. Johnson encouraged. He worked it faster, pounding the rod into her spasming anus. Gina's stool began to loosen, and with a loud groan, a wet stool oozed out around the rod, followed by more deep contractions.

She was climaxing, entire body shaking and clenching as she orgasmed forcefully from the anal stimulation. "Ohhhh fuck yesssss!" Gina screamed.

As her orgasm subsided, Dr. Johnson withdrew the rod. Her anus was stretched wide around the bulbous knob before it slipped free with a wet pop, leaving her gaping hole clenching and fluttering.

"Very good," Dr. Johnson said, setting the soiled instrument aside. Gina lay trembling and panting, her anal ring bright reddened and puffy from the intense penetration. Her face burned with mortification, but also deep arousal.

Dr. Johnson then lubricated a long tube and attached a full enema bag to it. He slid it into Gina's tender anus. "I'm going to administer a deep enema now to clean you out internally," he explained.

Gina whimpered as the tube pushed deep into her bowels. Dr. Johnson hung the bag and began to slowly squeeze the valve, trickling warm fluid into her rectum. "Ohhhh it's so full," she groaned, stomach beginning to swell and bloat.

Dr. Johnson continued to fill her until her entire abdomen was distended. "Almost there," he said. "I want to add something extra though..." He attached a set of nipple clamps to her sensitive nipples, making her cry out. They were long silver clamps embedded with electrodes.

As the enema filled her to capacity, Dr. Johnson turned on the clamps and they began to sting her nipples with electric shocks. "Ahhhnnnn!" Gina wailed, back bowing. Her pussy clenched and leaked, incredibly turned on.

Finally the bag emptied and Dr. Johnson removed the tube. Gina's entire GI tract felt packed full. "I need to go to the bathroom," she begged.

"Not yet," Dr. Johnson said. He pressed two fingers back into her tender anus and began to quickly thrust them in and out, fucking her anus. Gina yelped at the sudden intrusion. "I'm going to fist you deeply now Gina. Push back on my hand."

Whimpering, Gina felt his fingers sinking deeper and deeper into her clutching rectum. He curled them and thickly fucked her with his entire hand, making her gasp and moan. "Oh fuck oh fuck yesss!"

As he vigorously anally fisted her, the enema bloated her stomach and the clamps buzzed her nipples. Gina squealed and thrashed on the table, entire body shaking as she was pushed rapidly toward another intense climax.

Dr. Johnson crooked his fingers inside her, rubbing her prostate. "Let go Gina. Cum for me. Cum hard," he urged in a deep voice.

With a wretched scream, Gina clamped down on his fist and exploded in ecstasy, squirting a gush of fluid from her clenching pussy. Her anus spasmed wildly around his wrist, asshole squelching as it clenched and unclenched.

Dr. Johnson worked her through it, pumping his entire hand in and out of her rippling inner muscles. Finally, with a deep groan, Gina went limp on the table, thoroughly spent and emptied. The enema bag hung almost empty.

"How are we feeling?" Dr. Johnson asked, slowly withdrawing his hand from her tender, gaping hole. Gina whined and curled up, blushing deeply but sated.

"Much better," she mumbled. "Thank you doctor." He smiled and patted her bottom. "You're most welcome Gina. Let's get you cleaned up now."