Page 35 of Her Alien Guardian

“Excellent technique, Mr. Gamma,” Dr. Ashcroft pronounced. “Push past her gag reflex. She must learn to accommodate you fully.”

Gamma’s large hand cupped the back of my head, holding me steady as he pressed deeper. My throat convulsed, trying to expel the intrusion, but he didn’t relent. Slowly, inexorably, he sheathed more of himself in my mouth until my nose was buried in the dark curls at the base of his shaft.

I couldn’t breathe. My vision swam as I choked on his enormous length. Just when I thought I might pass out, Gamma pulled back, allowing me a desperate gasp of air before plunging in again.

“Very good, Miss Tessara,” the doctor encouraged. “Your body will adjust with practice. Focus on pleasing your master.”

Gamma began a steady rhythm, fucking my face with long, measured strokes. Saliva dribbled down my chin as I struggled to accommodate him. The ridges along his shaft scraped deliciously against my tongue and the roof of my mouth.

“Look at me,” Gamma commanded.

I raised my tear-filled eyes to meet his intense gaze. The raw hunger I saw there made me whimper around his cock.

“Good girl,” he praised, increasing his pace.

My jaw ached from the stretch, but I found myself relaxing into the rhythm. The initial discomfort faded, replaced by a perverse pride at being able to take all of him. I hollowed my cheeks, sucking eagerly as he thrust.

“Excellent,” Dr. Ashcroft murmured. “She’s adapting well. Now, Mr. Gamma, I believe it’s time to test her vagina.”

Gamma pulled out of my mouth with a wet pop. I gasped for air, my chest heaving. Before I could recover, he lifted me easily and laid me on my back on the bed.

“Spread your legs,” he ordered.

Blushing furiously, I obeyed, opening myself to his penetrating gaze. I felt utterly helpless as both Gamma and the doctor studied my most intimate places.

“Despite her earlier defiance, her body seems quite receptive,” Dr. Ashcroft observed clinically. “See how engorged and glistening her labia are?”

Gamma positioned himself between my spread legs, the massive head of his cock pressing against my entrance. I whimpered, torn between fear and desperate need.

“Relax, Miss Tessara,” Dr. Ashcroft instructed. “Your body is designed to accommodate even a phallus as impressive as Mr. Gamma’s. Breathe deeply and focus on serving your master.”

I tried to follow his advice, taking shaky breaths as Gamma began to push inside me. The stretch felt intense, painful. I gasped, my back arching off the bed as he sank deeper.

“Excellent, Mr. Gamma,” the doctor praised. “Notice how her vaginal walls are stretching to accept you. The discomfort she’s experiencing now will help cement her submission.”

Gamma’s huge hands gripped my hips, holding me steady as he continued his inexorable penetration. I felt impaled, split open on his enormous blue cock. When I thought I couldn’t possibly take any more, he gave a final thrust, burying himself to the hilt.

“Oh, god,” I sobbed, overwhelmed by the fullness.

“Very good, Miss Tessara,” Dr. Ashcroft said. “You’ve taken all of him. Now focus on squeezing your internal muscles. Massage your master’s penis with your vagina.”

My cheeks burned, but I obeyed, clenching around Gamma’s thick shaft. He groaned in response, his fingers digging into my flesh.

“More excellent technique, Mr. Gamma,” the doctor continued as Gamma began to move. “The long, deep strokes will help stretch and train her vagina. Vary your angle to stimulate different areas.”

Gamma followed his advice, changing the tilt of his hips with each thrust. I cried out as he hit a particularly sensitive spot deep inside me.

“There,” Dr. Ashcroft said. “Did you note her reaction? That’s likely her anterior fornix spot. Regular stimulation there can increase arousal and natural lubrication.”

As Gamma continued to fuck me with long, measured strokes, the initial discomfort faded. Pleasure began to build, coiling tighter with each thrust. I moaned, my hips rising to meet him.

“She’s becoming quite responsive,” the doctor observed. “Her arousal is evident in the flush spreading across her chest and the increased lubrication. Miss Tessara, you’re doing well in serving your master. Continue to focus on his pleasure.”

Gamma’s pace increased, his massive cock plunging into me relentlessly. The wet sounds of our coupling filled the air, punctuated by my breathless cries and Gamma’s low groans.

“Mr. Gamma,” Dr. Ashcroft said, his tone thoughtful. “I’m going to recommend that you climax in Miss Tessara’s vagina, rather than using her anus on this occasion. On the other hand, I do recommend changing your coital position and having Miss Tessara bend over the bed to receive you from the rear. That way you will be able to stimulate and train her rectum to receive your penis there when the time comes.”

CHAPTER 20