Awakening in the blanks of memory, Kusanagi hakuno is entangled in a holy grail war filled with mystery.He stood at the crossroads of war, not knowing where he came from or why he fought.However, in this world of chaos and conspiracy, survival became his only belief.Faced with unknown enemies and inner confusion, he must find the truth in battle and reshape himself in struggle.This is not only a war for the Holy Grail, but also a journey of redemption to regain memories and identity.