Mark's first thought is to become a superchub. He always wanted to be at least 700 lbs. He also wanted to be much hairier than he was. So he adjusted the slider for body hair to very hairy and set the weight to 700 lbs. Mark wanted to make sure everything would go right so before he pressed enter he explored the program a little more and saw that he could make it so if others were aware of the changes or not. He made it so that everyone always thought he was that big. He also noticed an option that said “Environment” and noticed that it would allow him to change his surroundings. He set it so the door frames of his house would adjust so as to accommodate his new size. He also noticed an option that would allow him to remain mobile no matter his size. He selected that option because he still wanted to be able to move around no matter how big he got. He then pressed enter.
Instantly, Mark heard his shirt rip to shreds as his gut and moobs burst forth. Mark moaned in pleasure as his pants ripped apart exposing his cock which was now disappearing beneath a pad of fat. His now fat ass took up a large majority of the bed. But he didn't mind. He stopped growing, and that's when the hair started coming. Soon he was coated in a thick coat of black fur. Mark could feel himself getting hard under his fat pad. But was disappointed that the fat pad was so large that it engulfed his cock. That's when Mark had an idea.
He went to his dresser hoping he still had his super huge jock strap first. He did and it fit perfectly. Then, Mark grabbed the computer again and made another change. He went to his cock., still showing at 6.5 inches. That simply isn't big enough given Marks new size. He set the cock size to 24 inches. He figured why not make it an even 2 feet, right? Mark went to the wall mirror on his closet door and watched the bulge sag past his need caps. He also noticed that the Chronivac made his balls grow in proportion. Mark could feel the fabric of the jock straining to contain his growing cock. Finally, the tiny fabric just couldn't take it anymore and his cock burst through fully erect, tearing his jock to shreds.
The cock was so long and girthy that it reached up past his now massive moobs. Pre was streaming out of the top being produced by his now basketball sized testicles. Mark began to tit fuck himself and suck himself ferociously. His cock exploded with cum filling his mouth with the sweet and salty semen.
Mark felt spent. But still horny. He looked at his massive cock head resting on the floor and was pleased with what he had done. But he wanted more. He grabbed the computer and went into the living room (still naked) and noticed he could make it so he would be ready to have sex again almost immediately after climax. So of course he made it so. It was then he heard a familiar rumble in the driveway.