Samantha watched, still lying on the floor of the cabin, unable to move. Damien's body quaked as black fur blossomed all over.
Samantha was semi-aware of Posey eagerly into her ear,"Watch this! Soon you will be one of us! An orgasm in moonlight to become the beast, and another to dispel the change!"
Damien's body continued to twitch as his muscles grew. Soon his ears had elongated, stretching long and pointed, his face growing outward into a muzzle. His cock had grown a sheath, but a red rocket was sticking out from it, and the werewolf in front of Samantha seemed to smile at her.
The werewolf who had been Damien stalked towards her, baring fangs, ready to bite. Samantha, fighting the dreamlike paralysis that had overtaken her, struggled to move and was unable.
All she could manage was a whimper of pure fear.
Posey stood up, placing her hand on the werewolf's chest. "It would seem, my love, that our companion fears your fangs. Perhaps we could try things another way?"
The werewolf didn't attempt to advance closer to Samantha, instead pausing and gazing down at Posey in an undeniably loving and semi-submissive way. Posey snaked her hand deftly around the werewolf's cock, stroking it to a chorus of lupine growls of pleasure. She giggled as it erupted in her hands, spraying his seed.
Licking her fingers clean, Posey said to Samantha, "See, the monster's going away, sweetie. Nothing more to fear!" And indeed, Posey was right.
The werewolf's body began to shudder again, this time almost a parody of the first. Instead of muscle growing, and fur sprouting, it began to shrink, until Damien remained where the beast had been moments before.
"And that, my dear," Damien said to Samantha, "Is the transformation fetish, live and in person."
"I just want to go...I'm not going to tell anyone," whispered Samantha.
"That's what I said at first, my dear," cooed Posey, stroking Samantha's hair, calming her. "But it doesn't hurt...the change is like a million orgasms rolled into one. You'll like being one of us."
"I don't want to...no! Just let me go, please...I PROMISE I won't tell!"
Posey glanced up at Damien. "What should we do, dear?"