Young Karibuchi Hikari is the little sister of Karibuchi Takami, a famous witch who fought against the Neuroi in Europe. Hikari is a hard worker with a lot of stamina, but she lacks her famous sister's magical abilities.  When she gets the chance to go to Europe and fight alongside her sister, she gladly volunteers, but first, she'll have to prove herself by competing with another student at her school.
To combat the Neuroi, 
humanity developed a new weapon,
لمحاربة النيوروي، طوّرَت البشريّة سلاحاً جديداً
Um den Neuroi im Kampf
gewappnet zu sein,
Para enfrentarse a ellos,
Para enfrentarse a ellos,
L’humanité dut trouver
un moyen de leur résister.
Per contrastarli, il genere umano
ha sviluppato nuove armi anti-Neuroi.
Para lutar contra os Neuroi,
 a humanidade desenvolveu uma nova arma: