The Zoldyck's Sister ( hisoka x reader )

The zoldyck family has a older sister, you are very close with all your siblings especially Killua, Illumi, and Alluka and your strength is equal to Silva and Zeno's or even superior. One day you get privilege to take the hunter exam with Killua and you grow close to some people, Gon, Leorio, Kurapika, and especially...