Fate/Reload

The Sixth Holy Grail War is about to erupt in Fuyuki. Once again those who seek for the Holy Grail go for the fight where only one can win. One of the combatants is Sergey Sheremetyev, a young hired monster hunter. But his aim is not the Almighty Chalice, but a mysterious magus who also joins the war. What would be his way in the upcoming slaughter and will he be able to do what he came for?