prologe

jason think it was over after the end of central fiction but it was not as he hear an voice who tell him who need his help to end an war call the holy gray war he know what happen an that war after the voice explain him he accept an the voice teleport it to who is gonnad be his master

meawhile shirou just summor saber but as she was figthing lancer shiriou hands start to glow an then summor his servant who was no other jason,¿can jason along with saber and shirou win the war?