New character- Luna Zoldyck

What if Killua had a twin sister, and she wasn't exactly normal she has cat ears and a tail with an extraordinary amount of Nen what will happen if this precious sister was taken and mysteriously placed in the Naruto world.
Hello my darling dazzling stars Luna~Chan here, just wanted to let you know I am new to writing fan fictions or even sharing my writing so please no sever hate and if u have any advice please be as specific as possible and tell me it in the comments section.
Peace my dears~