I Won the Holy Grail War by Summoning Da Bao

Wang Shan, studying abroad in Fuyuki, is drawn into a ritual called the Holy Grail War in the dead of night. At the edge of despair, Wang Shan summons a Heroic Spirit named Xu Sheng. Can an ordinary person like him survive this war? And what sort of conspiracy lies hidden behind it? The story of seven Heroic Spirits and their Masters is about to unfold in Fuyuki City.