If you loved Fate/kaleid liner Prisma☆Illya: Vow in the Snow, try Fate/kaleid liner Prisma☆Illya: Licht Nameless Girl
A bridge between a film you've already seen and one most people haven't. Here's what they share, and what the second one does that the first one doesn't.
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Fate/kaleid liner Prisma☆Illya: Vow in the Snow
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Fate/kaleid liner Prisma☆Illya: Licht Nameless Girl
What they share
Both films are directed by Shin Oonuma, and they both carry the tender mood tag, and they sit in Action / Animation / Drama / Fantasy territory. If that's the register that drew you to Fate/kaleid liner Prisma☆Illya: Vow in the Snow, the second film will land in a comparable space — through a different lens.
tender
What Fate/kaleid liner Prisma☆Illya: Licht Nameless Girl is
You fight to save humanity in a dying world, but then a harsh sacrifice is demanded, and the director Shin Oonuma leaves you with a moral dilemma.