1x12 - My-Hime

Joseph Greer, Miyu, and Alyssa Searrs are working for the Searrs Foundation. They kidnap Natsuki, and Yukino Kikukawa, who is a HiME, uses her powers to find her. Mai and Mikoto go to rescue her, and save her from Miyu and Alyssa Searrs. In the end, Alyssa takes over control of the operation from Greer.