Fate/kaleid liner Prisma☆Illya is a spin-off manga and anime series from the Fate/stay night franchise. It follows Illyasviel von Einzbern as she becomes a magical girl, tasked with collecting Class Cards with the help of her magic wand, Ruby. The series blends magical girl tropes with the established Fate universe, offering a unique take that involves action, comedy, and fantasy elements. The show is known for its engaging storylines and dynamic character interactions.