From the box, Alex pulled a tail-butt-plug for Tony. Though if it wasn't for the cute fur covering one of the ends, it would have been difficult to see which end was witch. The butt-plug was enormous, and not just because Tony was so tiny now. The bulb was about 2,5 inches / 6 cm at the thickest, which dropped sharply down to only 1 inch / 2,5 cm at the base to keep it firmly stuck in place. It was over 4 inches / 10 cm long, but curved with ridges along it designed to tickle the prostate with the slightest of movements.
“I can't fit that in me!” Tony squealed, backing away from the terrifying plug. “I wouldn't have been able to fit that in me even before you regressed and shrank me!” Alex considered this.
“Maybe you're right. I'll fix that. Don't want to break you already,” he said, sitting down at the computer that Tony hadn't been able to do anything with. Tony was relieved. At least he wasn't going to be so small and helpless anymore. But when Alex hit enter, Tony didn't' feel any different.
“Okay, time to put it in.”
“No! Wait! Nothing changed!” Tony cried, trying to crawl away from his owner. Alex grabbed him by his foot and dragged him back.
“Don't worry. I made it so it wouldn't damage you, though it will still be tight. I set it so that you'd always be nice and tight, no matter how much your ass gets used and stretched. But stretch it will. It's now like an elastic band that can be pulled open super far, but you'll sure feel it.” He pulled Tony's legs wide.
“No! Please! Don't!” Alex ignored his pleases and lined the end up with Tony's behind.
“If you beg me to put it in, I'll lube it up for you first,” Alex promised.
“Please, Alex,” Tony whimpered.
“Please what?” Alex asked. Tony was frozen in fear. He didn't say anything. Then he felt the plug being pushed in. It was barely in and already it was almost too much.
“Okay! Okay! Please put it in me...” Tony said, reluctantly.
“You know, that was the worst begging I've ever heard. Not believable at all. You need to make me believe you want it.” The plug pushed in a little more.
“Ah! Yes! I do what it! Please!” Tony cried out, lying as convincing as possible.
“Are you sure?” Alex pushed it a bit more. Tony bit though the pain and pretended to be desperate for more.
“Yes! Please! Shove the whole thing deep inside me!” He even leaned his ass back towards the invading plug. It was really starting to hurt now and he wasn't even to the thickest part yet.
“Maybe this was a bit too big. I'll go find a smaller one for you.” Tony didn't know if his owner was honest or not, but he couldn't take the chance.
“No, please! Use this one! I want this big one! Force it in me hard! All at once!” Tony was panting with the strain as he pushed himself on to the plug.
“If you insist,” Alex said. True to his word, he poured some lube onto the still exposed thickest part of the plug. Then, just as Tony had begged for, he slammed the entire thing into the human pet's ass in one go. Tony cried out and collapsed, shaking.
“Awe, you look so cute with your tail. How's that plug feeling? I bet it's pushing a lot on your full bladder, isn't it? Too bad you don't have a dick anymore. No peeing for you.” Alex pushed a button on a remote and the bumps pressing on the plug that pressed up against Tony's prostate began to buzz. Tony couldn't help but begin to moan passionately and drool on the floor.
Alex began to stroke Tony's small back lovingly. “You know, I made it so that you never need to dedicate, just like you don't technically ever need to pee. So I was thinking you could just keep the plug in you indefinitely from now on. When I'm not in the mood to use that hole myself, of course.” All the answer Tony could give was whimpers. His toes curled with the sensation of the plug.
“You think this is intense? Then you're going to love when I put this in,” Alex said, crouching still naked over his brother. His long cock buzzed to life with even stronger vibrations. Tony had almost forgotten that feature Alex had added to himself.
Tony was going insane already. The vibrations from the plug were making his mind go foggy and his legs not work. He had to drag himself over to his owner to start licking his feet again. He didn't know why he did it. He hadn't even been ordered to. He just knew that was where he belonged.
“Good boy,” Alex said, and Tony felt a swell of joy in him. Alex turned off the plug after a few minutes, letting Tony recover at least a bit of his composure.
“Sit,” Alex ordered and Tony obeyed. Though when he sat down on his plugged butt, the tail was in the way and pushed the plug tighter up against Tony's prostate. Even so, Tony sat down as far as he was able. Shivers of pleasure ran up and down his spine as his owner petted his hair lovingly.
“Good boy.”