"alright Pat, get your swiming trunks on little man."Kat said as her brother nodded. Kat smiled as she walked out and headed towards her room. Closing her door, Kat striped down and put on a two piece tankini. Kat admired her sexy body before she heard a knock at her door." Kat, i'm ready." Patrick said from the other side of the door. "Ok Sweetie" She answered as the witch opened the door. " You ready for a swim?" Kat asked. Patrick nodded happily as he and Kat walked out to their Backyard pool. As Kat walked into the pool and chanted a spell. Upon it's completeion, her lowwer body under went a stunning transformation. Her legs fused together into a beautiful blue mermaid tail. Her upper body also changed, becoming a sexy 21 year old young woman's body complete with the allure and beauty found only in mermaids. Her Eyes grew a slit over them that would make her vision perfefect under water. At the base of her fingers, webbing used to propel her through the water grew and she looked over to her Brother who was amazed at what he saw."Wow Kat, your a pretty mermaid." Patrick said as Kat took him into her arms and lowwered his body into the pool. "Thanks Pat, so you want a more water friendly body too?" She asked in a sweet, angelic voice that could seduce men. Patrick nodded and smiled happily. "Yeah, I want to be a...."