She was kinda like itachi in away. That was that was the reason he accepted her. He was pressured by his family and later ended up killing them. She did the same she was pressured by her family to become strong she finally did then it was to be the best medic ninja. Tsunade said she would teach her if she would win against her previous student. She did. And became an excellent medic ninja she was even better then shizune. Then her family said you need to do whats right for the clan. She finally got sick of it and assanated her entire family. Itachi was proud to announce her an atasuki (?) She easily passed the others. She even created a third stage for the byuukagan. The second stage your eyes turned red and you could see a longer distance and make out were chakra has been. The third stage your eyes turned a dark purple and you could easily create block ways to block you apponent, create illusion see farther and munipalte them.