I racked my brain as I felt her muscles twitching against me. Cathy was still fighting to hold it back, but we both knew she was going to lose.
Then I remembered something she'd said earlier, when I'd first revealed that I knew her secret. Orgasming made her change back to Cathy. Once that happened, she'd be in control again, because there was no full moon; it was still only a half moon outside. So long as she didn't catch a glimpse of a full moon again, like she had with the tv commercial, Fang would be restrained once more.
I rolled over with her, which put me on top of her. She hadn't been expecting it, and she stared at me in surprise. It was somewhat necessary, since I didn't want to be completely pinned underneath her when the change happened.
"James what are-" she asked in confusion, before my hand slipped between her legs. She let out a gasp as my fingers touched her vulva, which instantly heated up.
The panic faded from her face, and her voice gained a sultry tone. "What are you doing, James?" She licked her lips, and her eyes gleamed. I could tangibly see the wolf side, Fang, lingering just on the other side of her consciousness, watching and waiting. This was what Fang was hungry for, and to a lesser extent, Cathy was as well.
"You think you're the only one with a secret, Cathy?" I said, locking eyes and nuzzling her neck for a moment. She arched her back when I did, and the popping sounds of transformation began, though halted once more. Her ears were pointed now, and through her parted lips, I saw the beginnings of her fangs. "Do you want to know mine?" I asked her breathily, as I nipped the bottom of her earlobe.
Her breasts ballooned again, and her eyes were golden. She looked at me with those wild, animal eyes, and I could tell that Fang was just barely restrained. "Yes!" she growled, "Tell...tell me..tell..tell Fang!" the two halves of her identity were competing, but as she smiled, I could tell that both halves were indeed enjoying this moment.
"I would have thought you'd have figured it out, given what happened back at your place," I teased, parting her labia with a fingertip, which was immediately drenched with wetness and a wave of heat. She raised her pelvis slightly, forcing my finger to slide further in. She let out a moan, tinged with the raw animal undertone of the wolf.
“But since you haven't,” I said, continuing to tease and draw out the moment, building her anticipation. That was the key of all of this, letting her get so worked up that giving Fang the orgasm once she'd fully transformed would be simple.
Her body was covered in sweat, and I started to move my finger in and out as the air became heavier with the scent of her estrus. Golden fur poked at my hand as it grew along her inner thigh. Fang was going to continue to force her way out until she was forced back down by an orgasm, but instead of aggressively taking over again, she was allowing Cathy to enjoy this as well. They were in tune once more.
Her breath was coming in ragged gasps as I worked my a second fingers into her her. I leaned in close to her ear and whispered, “I have a thing for werewolf girls. So Cathy..” I pushed a third finger into her, and one of her hands clamped over my wrist, pushing my hand up and down. “I want you to change for me. Give into the animal side.”
Her body spasmed hard, and her legs swelled and stretched. Her torso warped and grew fur in a wave as she began to stretch and morph into the eight foot tall beast. Cum rolled down my wrist as my hand was completely drenched by her juices.
It felt exquisite to feel her muscles growing and her body expanding as I touched her. She writhed against me as she turned into the incredibly beautiful beast once more. Her transformation completed itself with her letting out a thunderous howl that echoed through the garage. The difference in size meant that my head was resting against her chest now, and I couldn't help myself and sucked hard on one of her teats.
“More...MOOOOOOORRRRREEEE!” roared Fang ..