Journey to the Holy Grail of the Beast's Remains

By an accident, a Servant who was not supposed to be summoned was summoned during the Holy Grail War. Forgot your true name, forget your identity, forget your legend. The blank girl was summoned to the land called Fuyuki. What changes will the self-proclaimed devil bring to this land? "I don't know why, but when I look at this sword, I feel a stabbing pain in my chest." The girl said this as she looked at the precious phantom in the swordsman's hand. Fate zero——? ? ?