You are Killua's twin sister Katsumi. you are slightly more skilled than him but you two get alone great. you and him have the same opinion when it comes to family. you guys wanted to be free. when you and Killua meet Gon, Kurapika, and Leorio it changes your life. But after the exams you split up from Killua and he goes with Gon. You join the phantom troupe after after mastering Nen. But you betray them because you where working with Kurapika the whole time. read the story to learn more.