Jenny grinned leaving the merging option without changing a thing, in that moment she heard the door opening announcing her entrance.
Norma finished putting the groceries in the kitchen after her weekly shopping, not noticing that Jenny was behind her and pushed her making her fall on the floor.
"What!? Why did you do that Jenny!" Norma said with a hand on her head after hitting it too. "And where's Katlyn? I told you to take care of her!"
"Don't worry miss~ you'll be with her soon!" Jennifer lifted Norma's dress and removed her panties as the woman tried to struggle but it was useless, before she moved Jenny inserted her long black trunk inside her.
"Jennifer!!" Norma screamed as the black colour of the cock extended to her waist, at that point the horse penis wasn't inside her but more like fusing with her. Her arms shrunk as her legs became a thick cylinder attached to a pair of big testicles, she couldn't scream anymore since her vocal cords disappeared turning into one internal tube connected to the balls with the only purpose to expell cum, the black colour finished up extending to her face as her breasts shrunk and her head took the form of the tip of the large cylinder, expelling a massive stream of semen from her mouth before it turned into a horse urethra, leaving a large puddle of cum on the floor and replacing Jenny's dick.
But Jenny smiled knowing that it wasn't everything, she felt a tingling sensation in her new apparatus. "Hmmm, it's seems that is time to see you~" Jenny said as suddenly her massive horse dog expanded a little and divided into two cocks, growing an extra pair of testicles, Jenny giggled knowing what just happened from the begining, she turned Norma into her second horse cock.
"Wow Norma, this form fits you very well!" Jenny joked as Norma was very strict with her, being jealous and toxic since she was Jeff's girlfriend. "I promised you that you would be with Kat! I hope you have a nice daughter and mother time~" she galloped through the room with the two penises hanging below her.
Jeff and Kat definitely enjoyed their new positions reduced to mere equine sexual organs, but Norma in the other side, not so much. Jenny had a small pleasure session for herself enjoying the freak she was, maybe she could change even more until the point she was unrecognisable, the desire of changing now became an addiction every time she transformed someone and consequently, herself. Jenny giggled imagining the infinite possibilities.