The year is 20XX. Nanao, an outcast with a paranormal talent, lives on a remote island training with others like him to fight against the enemies of humanity. Nana, a bubbly transfer student, befriends him and encourages him to become their leader...

Nana befriends Kyoya, the other transfer student at the school, in an attempt to discover his talent before he finds out what really happened to Nanao.