Fate/EXTRA: In another Alternate Universe... Waking up in a strange virtual world with no recollection of the past, the main character finds themselves forced to fight for survival in a war they do not understand for a prize beyond value; the opportunity to have one’s wish granted. With only an enigmatic “Servant” Sakura Kinomoto, the Undertaker or Aoi Asahina by their side, Touma Kamijou or Mikasa Ackerman will have to face both friends and foes in battles to the death in order to not only gain possession of a mysterious object known as the “Holy Grail,” but also to find the answer to the most important question of all: “Who am I?”
Fate/Extella: The Umbral Star: After winning the Holy Grail War, Touma/Mikasa, aided by their companion, Sakura, goes on war against Aoi Asahina alongside their allies, the lancer Guts, the knight Hubert Oswell, the martial artist Iori Yagami and the mysterious Undertaker. However, Oichi, an ancient alien weapon has gathered conqueror Snake, holy maiden Lunamaria and king of heroes Kyo to conquer the moon with Jonathan Joestar plotting in the background. Also, Osaka appears with her subplot to fight Sakura's, Aoi's, and Oichi's forces at the same time.
Fate/stay night: Unlimited Blade Works: Rin Okumura, who's best friends with Ryota Watari, Tuxedo Mask, and Homura Akemi, accidentally summons Haruko, and then allies with Yuki and Gian to participate in a Battle Royale for the Holy Grail, facing off against Neptune, Mikuru, Meito Anizawa, Nurse Joy, and finally Albedo and Robin.
First Order: Akira and Retsuko are sent to Fuyuki after an accident. Accompanied by Ren to assist them, they try to find 2B and Vanilla Ice while they have to deal with an evil Haruko and being assisted by Lupin III as a caster.
Divine Realm of the Round Table - Camelot: Before they went to Babylonia, Akira and Retsuko alongside Ann went to the Holy Land where they meet Ryuji Sakamoto a Knight of Haruko's there they find that a mysterious version of Haruko calling herself Aranea Highwind and her other knights consisting of Eli, Gohan who was later revealed to be technically Retsuko's father, Dohalim iL Qaras, Tenya Iida and Reo Mabuchi are causing havoc. They then must team up with Enji Todoroki, Senna, Tiese Shtolienen, Rody Soul, Ryo Saeba and Aoi Kanzaki to stop them. It was then revealed that the reason for Aranea's birth is that she comes from an Alternate Timeline from which after the final battle with Eli, Ryuji never returns Excalibur to the Lady of the Lake causing Haruko to never go to Avalon as repentance Hubert had Excalibur grafted to Ryuji's right arm so that he can use it to return Haruko back to normal.
