Fate/Stay Night: Réalta Nua - Unlimited Blade Works

The one who obtains the Holy Grail will have any wish come true. The Holy Grail War. A great ritual that materializes the greatest holy artifact, the Holy Grail. There are two conditions to participate in this ritual: to be a magus, and to be a "Master" chosen by the Holy Grail. There are seven chosen Masters, and seven classes of Servants; beings akin to superhumans with incredible fighting abi