One day after I wake up I feel like something is different. I can see a island little far from the mainland. A girl suddenly appears before me. The appearance of girl brings something amusing in my life....

In 2004 at the fifth holy grail war, the protagonist takes a different route than any other, He challenges the holy grail, determined to erase the holy grail war from the face of the earth. The protagonist and Mordred Pendragon fight the odds but, things do not go as planned. He chooses to run away.