Request by Sucmel
“My idea is a wolf cub that gains weight thanks to his mother's milk and gets fatter and fatter until he become immobile.”
The Overfed Cub
Skylar was a skinny wolf. It is normal for cubs to drink their mothers’ milk, but they stop after a year or two. That would be the same for this 5-year-old cub if not for his mother’s inexplicable change to all of a sudden start milking again. Skylar came down for his morning bowl of cereal and his mother was topless in the kitchen, her large breasts leaked on the floor (a little bit, not really enough for either of them to notice). Upon pouring his cereal, his mother leaned over and squirted her milk into his bowl, covering his cereal and filling his bowl with mommy milk. As weird as this was, Skylar was a good little pup and did not question his authority figure.
It tasted good, thicker than normal, but good. While eating it Skylar noticed that it was settling differently inside him. The richness meant for babies was landing like a brick in his stomach. Slowly his tummy started to flare out before he finally finished the bowl. His mother got him up as he waddled over to the door and with his backpack out to the bus stop. On the ride to school he could feel his soft belly gurgling as its swollen form sloshed along with the bumps in the road. School itself was uneventful until, lunch…
Skylar’s doting mother had packed him
a sandwich, tasty
some vegies, fresh
a cookie, sweet
and of course
a thermos of milk…
After a well-made, and full meal Skylar looked at the thermos with dread. He had to drink it all, his mother wanted him to “eat it all” and “not share or trade any of it with the other students”. He looked at his belly, swollen like there was a bad reaction between the milk from this morning and his lunch. His shorts were tight around his waist, butt, and thighs. Skylar opened his mouth and started to drink up. The first gulp was the hardest, taking the thick, extra creamy milk down his throat was hard, but tasted so delicious that he forgot his growing problems and drank up completely. Finishing the last drops, he slammed the thermos down and burped loud enough to gain a glare from the teachers watching the lunchroom. 
Looking down, Skylar saw where the milk had gone. His thighs were twice as wide, his butt was a big pillow, and his belly bulged over his waistband. The skinny beanpole he used to be this morning was gone. The rest of the school day was nothing but daydreams for Skylar as his belly sloshed around. He often found himself not listening to the teacher and instead fondling his newly grown gut. The bus took longer than he wanted to get home. The bumps and jostling left his tummy sloshing and gurgling all the way home, not that Skylar would complain, it almost felt good. 
Sneaking in the house, he got his after-school cookie without Mom seeing. He snuck into the fridge and pulled out the full gallon of milk to avoid having mommy feed him more of her thick milk and make him bigger. After eating the cookie, he drank his milk and was in shock. Skylar’s mother had replaced the entire gallon with her own milk, and Skylar drank a whole glass. His shorts ripped off and his shirt was tight around his belly. Nothing hid his shame other than an overstretched pair of briefs. Waddling up stairs he looked at himself in the mirror. Fat. He was fat. Overweight, big boned, portly, fat. His hips swayed as he walked and his tummy felt…good. There was a mild pulsing feeling in his stomach as the milk continued to make him bigger, at a slower rate than before and certainly plateauing. Lucky, he thought. He would just have to never drink it again. Then he went to his room and fell asleep. Consuming hundreds of thousands of calories, or a years’ worth of nutrition in one day left him in a huge food coma. His mom and dad fought that night and never bothered to wake him for dinner, which he would have probably refused to eat. 
Skylar woke in the middle of the night, as a normal 5-year-old wolf cub he could sneakily move around, but his recent weight gain had made that troublesome. For some reason or another, he snuck downstairs for a midnight snack. Opened the fridge. And, without thinking, grabbed the gallon of milk, popped the lid, and drank from it. As soon as the milk touched his lips, he knew he had messed up, but he couldn’t stop. Mommy’s’ milk was just too good, and he drank it all. Darkness enveloped him as he passed out. 
In the morning, Skylar’s mother came downstairs to see quite the surprise. Skylar was laying on the floor, covering the entirety of the kitchen. His belly was a giant water bed of milk and blubber and it flowed out into the dining room as well. “Well” his mother said, Skyler just starting to wake up. “Now you can’t run away.” She stuck her nipple into his unwilling mouth and flooded him with gallons of mommy milk every minute.