# Fate/kaleid liner Prisma☆Illya: Sekka no Chikai
*Also known as: Fate/kaleid liner Prisma☆Illya: Vow in the Snow / Fate/kaleid liner プリズマ☆イリヤ 雪下の誓い*

## Facts
- Format: MOVIE
- Status: concluded
- Year: 2017
- Season: SUMMER

## Renewal Score
**Fate/kaleid liner Prisma☆Illya: Sekka no Chikai** has a **49% renewal probability** on Courcast (confidence: 90%) as of 2026-06-03.

## Synopsis
Despite his adoptive father's warnings that the girl found in the remnants of a destroyed city is too dangerous to be considered anything other than a tool or weapon, Shirou Emiya comes to treat Miyu as a younger sister. But when Shirou relaxes his guard and Miyu starts normal school, the Ainsworth family and their agents swoop in, kidnapping the girl with the goal of sacrificing her! Faced with the realization that Miyu's ability to do good will always be equaled by her capacity for destruction

## About Courcast
Courcast forecasts anime renewal probability using daily signals from streaming platforms, fan communities, and industry sources. Each CourScore (0–100) reflects fandom momentum, streaming performance, source material runway, and franchise history.

- Full details: https://courcast.com/title/fate-kaleid-liner-prismaillya-sekka-no-chikai-summer-2017
- API: https://courcast.com/api/public/titles/fate-kaleid-liner-prismaillya-sekka-no-chikai-summer-2017
- About Courcast: https://courcast.com/about

*Last updated: 2026-06-03*