In the Kitsune's Tails (Finale, Dark, Cub, REVENGE!)
Her chest exploded outwards, human breasts replaced by bare, fur covered ones, red-orange and massive. the transformation was quick, the fire and the growth from beneath ripping through the flesh like it was so much garbage.
Mr. Wolf's Last Heist
He couldn’t look away as emerging breasts replaced his masculine pecs, pushing the black fabric of his jumpsuit outward until it stretched tight over his burgeoning mounds.
Swole Spider - Commission for Umbreonhyper
Gone was his effeminate chest floof, oft mistaken for breasts. replacing them were a nicely cut pair of pectorals that bounced majestically with his every move of the arms.
The Boneheap
The mist receded, and the form of the woman reappeared - but bigger, bulkier, breasts replaced with rippling muscles that strained against the suddenly far-too-tight sweater, toned waist and squared-off hips, and the large bulge of a sheath stretching ludicrously
Big Bears on Campus: Episode 9
Two man boobs replaced his toned pecs, and sagged down on top of his very full gut, and they eventually grew so large that they forced his arms away from his body, and couldn't hold them straight down at his sides.
The Need to Feed
At this point, her body was largely uniform, stomach, chest, and even her breasts replaced by more of the slimy, off-white segmented flesh. she was barely aware of it, focused more on feeding and not the changing contours of her body.
Lust for Power
replaces the one that just got eaten, humping away recklessly at her scaly pussy which she only encourages as she is both horny and hungry so this satisfies both urges at once, much to her delight.
A Private Heaven
He shifted to the other breast, replacing his tongue with his finger on the first. a couple minutes of this had me moaning loudly and squirming beneath him.