Sci-fi weight gain stories

Tyra is desperate to get pregnant and when a new doctor recommends an experimental fertility treatment with big promises, she's intruiged enough to give it a shot. What happens when her gentle giant partner Roan, starts to gave with her?   More ▼

Jeremy was a skinny twink. As thin as a twig but he didn't want to be. He wanted to have big muscular arms, rock hard abs and strong legs...   More ▼

Our character gets an opportunity he can't resist. Cover Credits: @Butter_chuk   More ▼

My fallout feedist fic. Follow a young vault scientist as he runs experiments on an unfortunate raider.   More ▼

Experiment logs for a suit designed to fatten the wearer while keeping them oblivious to the changes in body and lifestyle.   More ▼

Chloe is a successful model who was greedy for more, she wanted a better body and a better career. Well she thought money could buy her the dream body but it ended up turning her into something she would never have imagined...   More ▼

Crime Brulee and the gang take in a new recruit whose financial woes have had a shocking effect on more than just her waistline. But when Renata goes on her first heist with her new squad, the foe they encounter is determined to humiliate them...   More ▼

What happens when a fit superhero is taken hostage by a villain determined and equipped to destroy his slim waistline?   More ▼

The A.F.C.O is the Anomalous Fatty Control Organisation and they seek to control all anomalies that revolve around adipose and other similar stuff to stop it from falling into the wrong hands….Of Course…   More ▼

The A.F.C.O is the Anomalous Fatty Control Organisation and they seek to control all anomalies that revolve around adipose and other similar stuff to stop it from falling into the wrong hands….Of Course…   More ▼