Yukari was picked up by Kyuubi, when she was just a little child. After an amount of time they spend together, she made a terrible mistake by killing her mentors long desired prey.<br /><br />Kyuubi, who's only reason to live is to search for the strongest enemy, was greatly disappointed and left her.<br /><br />In the following hundreds of years, Yukari grows into the ultimate opponent to finally face on Kyuubi... and to make her stay with her forever.