Beauty May Tokiha and her sickly younger brother, Takumi receive an invitation to study at the prestigious private school Fuca,And the school administration allocates them a scholarship, which is very important for a poor family, had lost her mother at an early age. Sailing on the ferry to the place of study, Mai involved in saving nearly drowned strange girl Mikoto, checked out of the water with a huge black sword. However, it is just not worth the life of her own -the ship to kill Mikoto gets another strange girl Natsuki, and their ensuing fight, which both use powerful magical powers, steam begins to fall apart. Trying to protect Mikoto from Natsuki and her robot-killer, Mai suddenly discovers his ability-HiME, but they are too weak and the two girls fall in the water.Confident in the death of Mai and Mikoto, Natsuki disappears. But a miracle - some incomprehensible way they (! Unconscious) turn right on the lawn under the windows of the school Fuca! So begins the story of a girl in May. Its waiting for battle with monsters, the worst of which - close people. She is waiting for a love that hurts painfully knife. It is enmeshed in lies,intrigue and betrayal. It will NiME and take part in the terrible battle -Karnavale! But her win if both the scales of life are the most expensive and favorite people?