Chapter 1

Jeff was finally doing it. Going back to his feeders house. He'd been yo-yoing for so long, deciding to follow through on his desperate need to grow, then cutting back, dieting and exercising every time he made progress. The last time he'd been with Kyle he'd managed to grow a real paunch over the couple weeks of fun and food they'd shared together, but despite their goals, their almost immediate closeness, and the calm confidence Jeff had finally felt seeing himself make progress, he'd freaked out and tried to push everything back. Now Jeff was returning, and Kyle had promised that this time, he wouldn't be able to go back to his wishy-washy ways.
Jeff was glad Kyle didn't go out of his way to make him feel awkward on his return. He already knew he'd been a traitor, his shirts back to loose from snug, his flat moobs, sharp jaw, and visible ribs all on display as he undressed for inspection.

"This is your last chance to back out, you know. When we're finished there's no going back"

And that's all that was said before they started, Jeff lay on the bed and watched himself being restrained, wondering what kind of feeding or training or new game might keep him on track permanently. Then the first sharp pain "that was the catheter" Kyle said. A moment later Jeff was struggling as a tube was inserted through his nose, Kyle petting his head soothingly, saying "it's ok, just swallow, swallow... swallow". The tube was placed into a large drum on a tall stool, opaque save for a meter visible only from the other side.

It started with a sensation of cold, running into his nose, and then a trickling feeling of satiation, and finally, fullness. Bound as he was, he was grateful for Kyle rubbing his now bloated gut, he'd never felt so full in his life! "This will keep you stuffed to the max at all times. When your stomach drains, gravity pushes more in"

And that was how it went. There was a TV on the ceiling for him, with mirrors on each side. Jeff could watch himself being expanded, or focus on the animes or cartoons running nonstop. That's how things went, for an indescribable amount of time. Kyle would return with a bedpan, or to loosen the bindings, or switch out the monsterous drum.
Jeff wouldn't recognize himself if he hadn't watched his reflection expand, coated in stretch marks and little else, a real gut filling in where the bloat was. True boobs and side rolls. Thick thighs, and his fat pad quickly obscuring his view of his dick from either mirror. His mind oscillated between fixation on the TV, or feeling he'd made a mistake, or wishing the changes would come in faster and stronger. He wanted to be a bloated pig, he wanted to take his normal life back. He wanted to see the last episode of Shippuden.

A month to the day from start, he was released. Kyle helped him stand, Jeff feeling his new mass wobbling, pulling him down, his /body/ now. He knew he could still diet, still go back. He was fat now, that was for sure, but it could all be undone, the diets could work, he could say he experienced it, that his dream had come true...
*Grrrrrrrr*

His stomach rumbled. He was hungry, starving, he needed to eat, and it needed to be a lot. "wha" he croaked, trying to get his long unused voice back "why am I so hungry?"

Kyle bowed like a stage magician and flourished his hands towards a table with a tea jug of shake and a stack of syrupy pancakes "you just got used to being stuffed to the brim every moment of every day, you'll never stop eating, or growing, again. That is what I promised you, no? Go on, dig in, I'll go find something else for you... I'll even help you diet, if you like?"

Epilogue:

As Jeff slowly neard the half tonne mark, Kyle started ordering more drums, more shake, more tubes. There were a lot more flakey pigs out there to get on track, and soon his bed would be free. Maybe if Jeff spent his last few months on the tube, Kyle would have his first record breaker before his next toy came, begging to be cured of their indecisiveness.