Fate/Kaleid Liner Prisma Illya: Vow in the Snow
Available on Prime Video
Despite her terrifying abilities, Shiro comes to treat the dangerously powered Miyu as a younger sister. When Miyu is kidnapped, Shiro must rescue his adopted sister, even if her ability to do good will always equal her capacity for destruction.
Starring Noriaki Sugiyama, Kaori Nazuka, Mai Kadowaki
Director Shin Oonuma