In legend, the treasure capable of granting its holder any wish is called the Holy Grail, and the ritual to obtain it is known as the Holy Grail War.

The participants in the Holy Grail War are the seven Magus selected by the Grail, and the seven Heroic Spirits chosen by the Grail. Heroic Spirits are summoned as Familiars, signing contracts with the Magus. There are a total of seven pairs—the Magus called Masters and the Heroic Spirits called Servants—but only one pair can ultimately claim the Grail, thus the Holy Grail War becomes a battle where these seven factions relentlessly fight one another.

Fuyuki City, Japan—this place has hosted four Holy Grail Wars in the past. Now, only ten years after the conclusion of the Fourth Holy Grail War, the Fifth Holy Grail War has already begun.

However, those active in this current War are no longer the same individuals from before.

February 2nd, the time when winter yields to spring, yet the evening remains intensely cold. If they were ordinary people, they would surely have abandoned all work by now and retreated to their beds. But some cannot afford to relax; they must maintain an even higher level of vigilance.

Because, at this very moment, it is the second night of the Fifth Holy Grail War.

Generally, on the first day of the Holy Grail War, everyone refrains from rash action, preferring to observe the situation. Of course, there is always the possibility of some unexpected Master initiating conflict on the first day, but fortunately, such a Master does not exist this time. However… by the second day, the situation changes entirely.

"Hurry…" In the darkness, under the sheen of the moonlight, two figures stood atop the towering treetops of the forest. One was a girl with short, black hair reaching her shoulders, appearing to be about sixteen or seventeen, dressed in a high school uniform. Her refined features were etched with a heavy expression, while the other stood behind her like a shadow.

Compared to the slightly