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.
In the blink of an eye,
،في طرفة عين
Die Neuroi eroberten in Windeseile erfolgreich
einen gewaltigen Großteil Europas
Los Neuroi invadieron gran
parte de Europa en poco tiempo,
Los Neuroi invadieron gran parte
de Europa en poco tiempo,
Très rapidement, les Neuroi
envahirent la majorité de l’Europe,
In brevissimo tempo i Neuroi
hanno invaso gran parte dell'Europa,
Os Neuroi invadiram grande parte
 da Europa em um piscar de olhos,