Patrick looked down and blushed. Kat saw this and wondered what was wrong. " Patrick, are you OK?" She asked, stroking his hair. looking up at his sister, Patrick snapped back to reality. " Oh yeah, I was just wondering if you could make me a mermaid too?" He asked Kat, who giggled at this request. " Sure Patrick, I always wanted a sister." Kat said placing a finger on Patrick' s nose. This made Patrick chucked as Kat set him down in the water and summoned her wand. With a flick of the wrist and some magic words, the spell began to go to work.
Patrick felt a strange, but good feeling pass over him. His hair grew longer and lighter as his body became slightly slimmer. Patrick felt empty between his legs and saw his, or rather her swimming trunks replaced by a swimsuit similar to Kat's. Then beneath the pool another transformation was starting. First the bottom half of her new swimsuit vanished as her legs fused together into a Ocean green tail. Her Eyes grew slits over them that would make her vision perfect under water. At the base of her fingers, webbing used to propel her through the water grew in between them. A wide smile grew on the new Mermaid' s face.
Kat Smiled as she watched her spell run it's course. " You Patrick no longer fits you Sister. How about Patrice?" Kat asked her new sister. the young girl smiled as she brought her tail up to get a good look at it. " I love it, Patrice the little Mermaid!" She giggled as she swam around Kat. "I just wish we could swim in the ocean as mermaids." Patrice said as she floated on her back, her longer light brown hair spread out. This gave Kat a great Idea.