Fate Prototype: Fragments of Sky Silver

Seven magi form contracts with seven heroic spirits and join the Holy Grail War, wagering the Holy Grail, a “wish-granting device” capable of granting any wish.

In 1999, the magus Sajou Ayaka formed a contract with a heroic spirit, the Saber.

But eight years earlier, during the Holy Grail War of 1991, Ayaka's older sister, Manaka, had already formed a contract with the Saber.

Elegant, beautiful, and gifted in every way, her older sister had always been someone Ayaka looked up to.

But for some reason, her sister seemed even more radiant than usual that morning.

At that young age, Ayaka had no way of knowing what fate awaited her.