Illya might be rich, but she's just like any other elementary school girl--she has a secret crush and loves magical girl anime. But when a magical "Kaleidostick" wand named Ruby tricks her into signing a contract, Illya becomes a magical girl herself! Illya's peaceful days might be over, but her fight to save the world has only just begun. Fan-favorite characters from the Fate series collide in this alternate, magical universe!