Catherine grunted as she felt her new member stand fully erect, she felt it throb and change, she took of her pants and undergarments for relief, revealing a canine phallus.
"Aaaah!" moaned Catherine as she felt her very first masculine climax, noticing that she also grew a pair of fur covered testicles.
"Oooh... This is so wrong, but.. Grrruuugh, it feels great!" Panted Catherine as she started stroking herself again, the warm lupine seed erupting out from her new member.
As she touched herself, Catherine felt a discomfort in her legs and shoes, her muscles grew, and white fur started to sprout out.
"Nuuughhhh my shoes.... I can't..." Groaned Catherine, as she saw her shoes rip open, revealing canine paws, with sharp black claws.
Catherine then fell on all fours, as her hands touched the cold snow, she climaxed a second time, she felt too horny to get up, she felt every single part of her body slowly and painfully change.
She slowly started transforming in a...