Shelly Surprises
Inside his own boots, his toes merged and fused into three toed claw-like feet.
Conjoined bunny siblings info
Optional extra info, the diaper they were in that fused them together never really came off. but it also isn't used in the way one normally thinks.
Carim
The study of the arcane was commonplace among the carimites, who fused technology and magic in new and exciting ways.
Night of Surprises - Chapter 2
The fuse box was still locked with power off. a stranger was still in the house that has the key to the box. the note that was written in blood that mentioned about 'playing'.
Barnload
When he looked down he was horrified to see why- she was fused to him!
Lion suit
The claws on both your handpaws and hindpaws fuse with your toenails, becoming your own.
Curse of the Were-bull parts 1-3
She could see her index and middle finger fusing together, her ring finger and pinky were doing the same. soon enough she had only two fingers and a thumb on each hand. "what the he...."
Chapter X: Guess Who's Coming To Dinner, Part Two
The two looked harmless enough de-fused and their necklace was still glowing.
The Shrine
The male's fingers starts to feel stiff and seem to be growing thicker and fusing together "what the hell is going on? i can't move my fingers."
Chapter VI: Split, Part Two
"seriously, we haven't been de-fused since we were like fourteen, apparently you've grown a bit since we last fused; but let me tell you i am liking the post puberty body." pesto said as he walked forward and put his arms around the shark's neck.
The Pipes
Opening his eyes he glanced down at his feet and saw that his big toe and the toe next to it had fused into one unit while the three remaining toes fused.
Apocalypse, Ch. 15
The tunnel looked like it had been burned though the earth with tremendous heat: the walls where fused slag. we followed the tunnel to a guard post manned by a rabbit-man, also in camo.