1. Naruto will have been friends with Sasuke before they became a team, but stopped because the Uchihas didn't want Sasuke to be friends with the Kyuubi jinchuriki they met when Sasuke found a Kunai(that Hashirama stole from his brother) in a secret compartment in his room and Naruto found his in the forest it transported them to the same place Hashirama and Madara first met, after a while they made a promise. 2. After the battle Naruto had a hole in his chest and Sasuke was crying after being forced to kill his best friend and brother in all but blood and left not knowing that Naruto disappeared into another world. 3. Naruto is found by Rin Tohasaka and has no memories whatsoever of his life other than his name and a few sealed memories. 3. Naruto is extremely loyal to Rin and after he finds out about his A or EX ranked luck he gambles in order to increase the Tohasaka's wealth. 4. After Rin sees that Naruto barely rests she forces him to go on a vacation Naruto says where Rin randomly says England. 5. After Naruto arrives in England he immediately goes to a bar to gamble when he arrives he sees a drunk man(Zelretch) they gamble a bit with the man promising Rin will be his apprentice if Naruto wins if Zelretch wins Naruto will leave Rin and work for him Naruto wins which leaves Zelretch surprised since he was using the Kaliedoscope. 6. After that he goes to a house he built in the forest along the way he finds a cave he goes inside and finds Gray(she is a homoculis created by Merlin to protect the Rhongomyniad and the shards of Caliburn along with a powerful Dragon. 7. After Naruto defeats Gray she says what is she supposed to do now her entire purpose was to gaard Rhongomyniad and she failed Naruto offers her to work alongside him as a maid for Rin. 8. After that Naruto fights the Dragon he manages to grab Caliburn's hilt but it's broken just when he is about to die he remembers a promise after that a shining light brights up the cave and in Naruto's hand is Caliburn reforged as the Sword of the Eternal Promise after that Naruto uses Caliburn to defeat the Dragon. 9. When Naruto comes back home he tells Rin the news Rin is surprised but sighs knowing something like this was bound to happen and gives Gray a maid uniform. 10. When the war begins Naruto summons two Servants Saber Lily under the Saver class and Mordred under Avenger, Gray summon the Alter Altria from Fate Grand Order under the class Alteration. 11. Gilgamesh is female. 12. Naruto will eventually return to his own world. 13. Pairings, Naruto:Rin, Gray, fem Gilgamesh, Saber Lily, Mordred, Alter Saber(add more if want but Haruno). Shirou:Altria Pendragon, Sakura Matou(add whoever you want but no Haruno). EMIYA: Illyavsiel von Einzbern(add more if you want but no Haruno).
If you accept this Challenge and/or want to make it better P.M. me.