another problem (An inuyasha and Naruto fanfiction)

Ok Sieara was average teenager- wait she's your not so average teen because she is a princess of a land also is in a group with no name how can it get anymore strange well take in fact that she has to confince Inuyasha and co along with Naruto and friends, trying to not kill or hurt her Brother, having a demon that wants to control her, and having a group that wants to have said demon and try and bring back a monster what can she do? why is she choosen for this? And why am I asking you all of this read to find out