Fate Kiritsugu And Irisviel : What if the heroic spirits from fate grand order lived mundane lives inside a normal town called chaldea instead of being summoned time after solely for this reason, the much hated magus killer kiritsugu emiya is hired by the einzberns, with marriage to their only daughter irisviel as binding.

Despite his brutal methods, he actually has the best he briefly breaks down in front of irisviel and proposes that the both of them just take illya and run away from it all.