Fate/kaleid liner Prisma Illya 3rei!!

Following their victory against the heroic spirit from the eighth class card, Illya and her friends attempt to enjoy the remainder of their summer break. Their plans are abruptly disrupted when they investigate a peculiar event at Mount Enzō. A bizarre silhouette appears, leading to a brief conflict and a warping of space. Illya awakens in a wintery Fuyuki City, but it's not the one she knows. Instead, she finds herself in a parallel world, the very world where Miyu was born and raised. This new setting presents a different reality for Illya to navigate. The series explores themes of parallel worlds and the unexpected challenges that arise when familiar characters are placed in unfamiliar circumstances.