They used rough training on their little pet

"Please treat your puppy exactly the way you think he deserves to be treated."

Jess hopped up from the couch and quickly moved behind where I was sitting on the floor. She reached down and gave me one really hard spank. "No! Bad dog! No cumming on the floor! We're going to potty train you! God, I wish I had a collar for training you."

That sounded hot, so I said, "Ron and Jess, please have all the equipment you need for your pet."

Ron opened up the drawer in the end-table again and pulled out a couple of items. He tossed them to Jess, saying, "Here you go!"

Jess caught them. They looked like a collar with a little box on the side and a small remote. She put the collar on me, and I enjoyed feeling her hands on my neck and shoulders as she attached it. I hadn't touched my cock since she'd told me to stop jerking, but I was still really worked up, and her touch felt so good. When she was done, she walked around in front of me. I was sitting on the floor with my hands in front of me like a dog about to sit up and beg, and my curvaceous friend, no, my curvaceous owner was standing over me, completely naked. I actually whimpered a little from the frustration of not being able to touch myself.

"Now, follow me," said Jess. She turned around and started walking, but my sex addled brain went from looking at her big breasts to looking at her round ass, and I froze for a moment. She turned back and shouted, "I said come on!" then she pressed a button on the little remote.

An electric jolt shot out from the shock collar on my neck and ran through my whole body. Every muscle tensed up like I'd never felt before. I looked up at Jess's face. God, I'd never realized just how pretty she was. She didn't look like she was enjoying disciplining me, she just looked determined to do what she needed to do. I started crawling forward on all fours.

Jess lead me down the hall while Ron started pulling something out of the hall closet. I couldn't see what it was because we turned into the bathroom before I could see what he was getting. Jess pointed to the toilet and said, "Okay, let's start your toilet training. Lift up the lid."

I lifted the lid.

"Good boy!" she said, sending a wave of pleasure through me that surprised and shamed me a little. "Now, assume the position."

I had no idea what the position was for a dog, so I froze.

She looked mad. "I said, assume the position!"

I stood up and started to turn around. She grabbed my arm and tried to twist it behind my back.

"No, doggy's can't go like that! Crawl up on the bowl!"

She tugged on my arm again, but she wasn't strong enough to do much. I don't know why, but I said, "Please be able to push me around easily."

I blinked, and suddenly Jess was taller than me! I looked around to get my bearings. Comparing us to the door, it seemed like she'd gotten a couple inches taller, but I'd gotten several inches shorter. Then I took another look at our bodies. She'd gotten a little beefier. Not much, she didn't look like a crossfit model or anything, she just had slightly toner arms and her waist was a tiny bit trimmer. Luckily her hips and breasts hadn't shrunk at all, so if anything, she had even more of an hourglass shape than before. I, on the other hand, looked significantly different. My arms were definitely scrawnier than before. My whole body felt lighter, weaker.

Jess tugged on my arm again, but this time she twisted it around my back, sending a wave of delicious pain up my arm as she easily pushed me into the position she wanted me in. It felt thrilling being under her total control, knowing that she was totally in charge. As she spun me around and bent me over, I put out my other arm to grab the top of the toilet and brace myself. I was now bent over the toilet, with my twitching, hard cock pointed down at the bowl.

Jess held my arm firmly, but not painfully, against my back. She stroked my back with her other hand, leaned in close to my ear and gently said, "Okay, doggy. Go ahead and cum in the bowl."

With one hand holding me up and the other pinned behind me, I was a little occupied. "Um, I can't jerk off like this."

She laughed. "Do dogs jerk off? No. You're going to have to learn to do your dirty business without your hands. Don't ever touch your little dick with your hands again."

I was suddenly afraid. I wanted to obey her order, but how could I possibly resist jerking off? I looked to the side and saw my reflection in the mirror. Looking at myself, I whispered, "Please obey all of Jess's commands forever."

"What did you say?"

"Nothing!"

I could feel it. I even tried to straighten up and move my arm towards my crotch, but my body instantly rejected that directive. For me, Jess's word was law now. I turned my head back towards her and said, "I'm sorry, I don't know how to cum without jerking off."

She smiled and let go of my arm. "That's okay. You just need a little encouragement for your first time."

She reached between my legs from behind me and started stroking my cock. My jaw dropped in surprise. She didn't even start out slowly, she went to full speed instantly. Then her finger pushed its way into my asshole.

I grabbed the back of the toilet with both hands and yelled, "Oh god!"

"Bad dog!" yelled Jess. "Shoosh! Be quiet now!"

My jaw slammed shut. I couldn't do anything more than whimper as my friend's hot girlfriend worked to get me off.

After half a minute she got tired of this and said, "Okay, now cum, bitch!"

I whimpered and whined hard as my cum shot out of my cock and into the toilet bowl. My whole body shook as she continued jerking and fingering me. I managed to turn to the side and look at her in the bathroom mirror. She looked so hot.

Finally, I finished. She let me go, and I crawled back onto all fours on the floor. Panting, obviously.

Jess walked out of the bathroom.

I was too spent to move, so I just stayed in place and panted. Jess looked back and said, "Come on, already!" then she gave me a quick shock through my collar. I jolted out of my stupor, then I trotted after her.

Back in the living room, Ron had finished setting up the thing that he'd pulled out of the closet. It was a cage for a large dog. He looked as Jess and said, "I've got it all set up! I found an old blanket to put on the base for him to sleep on."

He opened the door, but I scooted back away from it. No, this was too humiliating. I couldn't do it.

"Go on," said Jess, "get in!"

I lurched forward, crawling into the cage. They slammed the door shut behind me, and I felt small and pathetic. Weirdly, I also felt free. No more worrying about homework or curfews. Ron and Jess would take care of everything for me.

The two of them hugged each other and shared a quick kiss. Then they got their discarded clothes off the floor and started to get dressed.