Christy is a little reluctant to hand the gun over to someone else, but she feels that Holly and Lola are trustworthy enough, so she explains how to use the TF gun before handing it to Holly. The woman thinks for a short while, then hesitantly points the TF gun at her former guide dog.
“Are you still sure about this Lola?” Holly asks, uncertain.
“Yes, no matter what form I take I'll always be your loyal companion, so please change me however you wish” Lola responds, closing her eyes and spreading her arms. Holly straightens her grip on the TF gun and fires.
Lola begins by growing taller and more muscular, her body now eight feet tall and rippling with muscles. Her legs then morph into a pair of furry dog legs. Her shoulders then to grow wider as two lumps emerge from either side of her head, eventually forming into two more heads, identical to her original one. Her changes finish with three, foot-long, canine penises, each with their own pair of large balls, growing out in front of her pussy.
Lola, now a amazonian futanari cerberus-girl, looks over her new form in awe.
“Even back when you were a normal dog, I always thought of you as my own protector, so I changed you to match how I always imagined you – big, strong, and always watching out for me.” Holly explains, handing the gun over to Lola before continuing.
“And now it's your turn, change me however you desire. You looked out for me all these years so allow me to repay you by becoming anything you want me to be”
Lola stares at the gun. Originally, she was planning on doing something small and inconsequential to her owner, only having agreed to change Holly because she didn't want Lola to be the only one transformed. After her change though, the feeling of loyalty she had towards her master were being twisted into sexual desire by her new sets of male genitalia. She had given Holly care and affection for most of her life, helping her live even with her disabilities, now she wants to pay Lola back. Lola, her growing feelings of lust caused by her trio of doggy dicks guiding her, blasts Holly with the TF gun.
Holly lurches over as the changes wash over her body, her breast balloon out until they're as big as medicine balls, and two more rows grow in below her original pair, reaching an equal size. A pair of canine fore-legs then form above her hips, and her ears change into dog ears as they move to the top of her head. Her new dog legs continue to stretch out, as her hips move back and her lower body is covered in a coat of fur the same colour as her hair. Her spine stretches out into a dog's tail as her original pair of legs morph into canine hind legs. Holly's new lower torso then grows larger, reaching five feet high at it's shoulder. For a split second, Holly thinks her changes are over, before she feels a sensation in her lower stomach as her vagina splits into three, each one with it's own separate reproductive system, and eight nipples grow on her lower torso, quickly expanding into breasts the same size as those on her upper torso.
With her owner now fully transformed into a Canine-taur, Lola walks over and grabs Holly's hand, kneeling down and looking up the her with all three heads.
“Holly, while I may have cared of you for all those years, you also took care of me just as much, feeding me, taking me for walks, and too many other things to list. So when you ask me what I want of you, the only answer I have is to continue to take care of me, as I will continue to take care of you, this time not as owner and pet, but as mates, and together let us take care of the many litters we will have.” Holly's face lit up at Lola's words.
“Yes of course Lola, Nothing else in the world could make me more happy then to be your wife!” Holly joyously responds, stepping back and presenting her pussies to the other woman as the lust from the transformation overtakes her.
“Now take me, fill be with your seed and, grant me our first litters of children!”
Lola, lunges over to her tauric lover and plunges all three of her cocks into each of her Holly's vaginas, reaching down and kneading Holly's lower breasts as she roughly fucks the Canine-taur.
Christy and Madison watch these events with rapt attention, looking over the two lovers and beginning to get aroused at the spectacle. Knowing what she wanted to do next, the bicentauri steps forward and...