Shadow-Puppet Holy Grail War

A Subspecies Holy Grail War that had long since spiraled out of control quietly begins.

Yu Gongye, an ordinary college student who was merely an outsider working part-time as a tour guide, awakens overnight to “player memories” that don't belong to this world.

He can see Servant status screens.

He understands the rules of the Holy Grail War.

He can even... observe the very essence of a Heroic Spirit's spiritual foundation.

And when he witnesses a Servant corrupted by the black mud with his own eyes,

a forbidden ritual is born within the Holy Grail