The Holy Grail, which was destroyed five years ago, suddenly appeared in a small island country in the Pacific - Verrot. In order to obtain the legendary Holy Grail, seven magicians came here, and the Holy Grail War officially began.
In a series of conspiracies and fights, the girl Yu Sakaguchi and her servant Cu Chulainn gradually approached the truth about the Holy Grail...
[I have always done things with very selfish purposes. This is the despicable part of me.