My-Hime

Mai Tokiha and her brother Takumi are on a boat trip when a girl with a sword, Mikoto Minagi, is found in the water. They pull her aboard, but are attacked by Natsuki Kuga. The boat is destroyed in the battle between Mikoto and Natsuki, and Mai shows strange abilities.

Mai and Takumi go to their first day at school. Mai skips class and bonds with Mikoto over a bowl of ramen. Takumi is attacked by a monster, and Mai and Natsuki put aside their differences to fight it.

Mai calls forth Kagutsuchi and defeats the Orphan Later, Mashiro Kazahana explains to Mai that she is a HiME and that she is needed to fight Orphans. Mikoto becomes Mai's roommate.

Little Orphans are stealing lingerie from the girls at school. Natsuki must walk around without underwear on a windy day, to her chagrin. Using Natsuki's underwear collection, they lure the Orphans and destroy them.

An Orphan is attacking city buses, but Mai has her own problems. The stress of taking care of her ailing brother gets to her, and Yuuichi Tate comforts her in the rain. They later go back to teasing one another.

Yuuichi and Shiho Munakata enlist Mai, Takumi and Mikoto to help them prepare for a wedding. Shiho worries that Yuuichi likes Mai, and makes Mai root for her love of Yuuichi. Midori Sugiura turns out to be a HiME and ends up as a teacher at the school.

Mikoto falls under the influence of Nao Yuuki. Nao shows Mikoto how to lure men by posing as underage prostitutes, then use their powers to rob them. Mikoto has second thoughts, and the other HiME put a stop to it.

The school holds a festival. Akane Higurashi fights an Orphan to protect her boyfriend Kazuya, but Miyu Greer kills Akane's Child, and Kazuya dies. Nagi Homura explains that the life of the person who's most important to the HiME is forfeit, not the HiME's life as Akane thought. Mai fights with Kagutsuchi for the second time, and reveals her powers to Reito.

Mai's relationships with Reito Kanzaki and Tate continue to develop. Natsuki takes Mai and Mikoto on an information gathering mission at an abandoned First District building. Natsuki eplains she's trying to destroy the First District.

Mai and her friends have their cake baking contest organizaed by Midori Sugiura but the contest is interrupted by an Orphan. Takumi is attacked by another Orphan and it turns out Akira Okuzaki is a HiME — and a girl. She saves Takumi, who throws a birthday party for Mai.

A vampire is stalking the campus. It removes girls' clothing and drinks their blood trying to determine if they are HiMEs. Nagi tells Mai not to get involved with it, since there appears to be another group looking to use the HiME. The school's nun, Yukariko Sanada, turns out to be a HiME and defeats it.

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.