Fate/kaleid liner Prisma☆Illya.

Illyasviel von Einzbern’s normal life is suddenly halted by the Kaleidostick Ruby, a magical wand on the run from her former master, who instantly decides that little Illya has all the right stuff to become the next great magical girl. However, Ruby’s previous owner Rin Tohsaka isn’t exactly thrilled to be de-wanded, especially since she’s just…