Bumping this because mutual WG is way underappreciated (and under-tagged). We're long past the era when the genre consisted of suburban married life stories on Dimensions.
https://fantasyfeeder.com/weight-gain-stories/view/title/hometown+glory/author/ChubbyBhm (hope this continues)
https://www.deviantart.com/yeeeesssdrfucdxyrsdc/art/Dragged-into-Gluttony-1275898414
I like stories like these—hetero, explicit, with intox/addiction, corruption, "total abandon," and extreme gains—but all mutual stories welcome.
Pic is by GorgeousWaifudom on DA, found here:
https://www.deviantart.com/gorgeouswaifudom/art/Taking-good-care-for-feedee-boyfriend-in-denial-1254794318