Damon grinned and his tailfins flapped in excitement, “Sure! I’d love to have a mermaid with me!”.
Monica smiled at her boyfriend and turned her face to the rainbow stone and spoke the next words with no hesitation in her voice.
“I wish I was a mermaid.”
The stone illuminated a glowing light. When it dimmed down after a while, Monica could feel her legs starting the transformation. She put the stone aside to quickly remove her shirt, shorts, socks and managed to take off her underwear just in time before her legs stuck together.
“Oh my…”, she gasped as she found that she couldn’t separate her legs anymore. It was as if they were fused together.
Looking down at her legs Monica’s eyes widened. From her knees down to her ankles sprouted ruby scales. Her toes gave their last wiggles as her feet became two red tailfins.
Damon touched his girlfriend’s red scales and was awed at how lovely they looked, shining like rubies compared to the sapphire-like shine on his blue scales.
Monica smiled as she realized the colors on her mermaid tail and Damon's merman tail contrasted each other nicely.
The scales moved quickly up past her former knees. Once the scales reached up to her groin, her womanhood changed to a fish-like cloaca and became covered in layers of scales. When the scales reached her waist they stopped and her transformation seemed to be over.
But Monica looked down at her chest to see that the bra she kept on now consisted of two red seashells that clung to her breasts. She could also see gills on the side of her torso, as well as gills on her tail.
When everything was said and done, Monica’s transformation was officially finished
She was a mermaid!
Monica squealed in excitement and eagerly jumped in the swimming pool.
Damon was amazed at how Monica splashed around the pool with the comfort of a woman who spent all her life in the sea.
Once Monica swam to Damon’s side, she hugged her boyfriend in a loving embrace.
“This is wonderful, Damon! The stone’s powers are just incredible!”