|Number of Volumes:||27|
Fate/Zero Sanity (フェート/ゼロ サニティ, Feito/Zero Saniti?) is a story idea that turned into a manga and illustrated by Batsu Karitoru. A retelling story of Fate/Zero that what-if that servants got replaced by characters from other works of fiction, in this case with the exception of Saber, Archer, and Rider.
This is the same storyline of Fate/Zero it added major twist, especially around the Servants got replaced, same detailing the event priors of the alternate Fourth Holy Grail War in Fuyuki City. It includes the following characters:
(Note: Some characters are directly from mother-site unlike in original timeline only master have little synopsis including supports and others .)
Masters participating in the alternate Fourth Holy Grail War and names given to an individual the contract:
- Kiritsugu Emiya
- Rikiya Koyama (Japanese), Matthew Mercer (English)
- Master of original Saber. In this events, he's accept Kariya offer alliance to allow live in castle along with Berserker and Soul.
- Tokiomi Tohsaka
- Sho Hayami (Japanese), Marc Diraison (English)
- Master of original Archer. In this events, he's shock by Kariya truth about to Zouken's scheme his previous daughter leading to outrage.
- Kayneth El-Melloi Archibald
- Takumi Yamazaki (Japanese), Doug Erholtz (English)
- Master of replaceable Lancer. In this events, he's mistakenly was second catalyst making him as 'good riddance' for Lancer's talking about his men and family and however it doesn't long.
- Waver Velvet
- Daisuke Namikawa (Japanese), Lucien Dodge (English)
- Master of original Rider. In this events, he's pretty much same as what's Rider following and meeting Sola-Ui for the first time after what fiancé did.
- Sola-Ui Nuada-Re Sophia-Ri
- Megumi Toyoguchi (Japanese), Karen Strassman (English)
- In this events, she changed forever and for the first time as Master of replaceable Caster after original Master was serial killer making Kayneth compete.
- Kirei Kotomine
- Jouji Nakata (Japanese), Crispin Freeman (English)
- Master of replaceable Assassin. In this events, he's shock that this somewhat-not Hassan-i Sabbah, but was manipulate by his servant to make evil even without Archer.
- Kariya Matou
- Tarusuke Shingaki (Japanese), Liam O'Brien (English)
- Master of replaceable Berserker. In this events, he's change entirely without much problem to control as start development between two.
Servants participating in the alternate Fourth Holy Grail War and their true identities include the following:
- Ayako Kawasumi (Japanese), Kari Wahlgren (English)
- Artoria Pendragon, the King of Knights
- Tomokazu Seki (Japanese), David Vincent (English)
- Gilgamesh, the King of Heroes, the Fifth King of Uruk
- Koichi Yamadera (Japanese), Corey Burton  (English)
- Whitebeard (Edward Newgate), one of the Four Emperors of the Seas, wielder of the Gura-Gura No-Mi (Devil Fruit), and Father to his men
- Akio Ōtsuka (Japanese), Jamieson Price (English)
- Iskander (Alexander the Great), the King of Conquerors,
- Tetsuya Kakihara (Japanese), Todd Haberkorn (English)
- Natsu Dragneel, the Fire Dragon Slayer, the Salamander of Fairy Tail
- Wataru Takagi (Japanese), Nolan North  (English)
- Obito Uchiha, the Fourth Sage of Six Paths, and the Second Jinchuriki of the Ten Tails
- Chiaki Omigawa (Japanese), Laura Bailey (English)
- Maka Albarn, the Meister of Death
- Jouji Nakata (Japanese), Crispin Freeman (English)
- Alucard, the King of Vampires, the Monster of Hellsing, and Count Dracula
Some character are supports taken the role development at help either Masters or Servants involved:
- Soul Evans
- Kōki Uchiyama (Japanese), Micah Solusod (Teen) Travis Willingham (Adult) (English)
- Berserker's Demon Weapon and partner in life. He is Death Scythe that's meister & weapon where Berserker most important Noble Phantasm activation different higher level of power.
- Irisviel von Einzbern
- Sayaka Ohara (Japanese), Bridget Hoffman (English)
- A decoy-master of Saber and wife of Kiritsugu. She's pretty much same goal without change throughout the story into otherwise it doesn't long live until her death is struggle by someone.
- Maiya Hisau
- Ayumi Tsunematsu (Japanese), Carrie Keranen (English)
- A harbor soft-spot of Kiritsugu, like Irisviel she doesn't have change throughout the story as same, but in hot-spot it never struggle by another.
- Risei Kotomine
- Masashi Hirose (Japanese), Michael Donovan (English)
- The regulator of alternate Fourth Grail War, despite some four servants class have not identify even Tokiomi that irrelevant Servants was identify from previous Grail War, but alternate universe. This leading contact the mysterious organization that only known him met.
- Zouken Matou
- Masane Tsukayama (Japanese), Michael Donovan (English)
- The ancient head of the Matou family, in the lesser extent where Berserker got replace in the unique way he's kill not permanent. In this events, he's meets Tokiomi for the second time after what's Kariya's truth was about to relieve to be true.
Any characters have taken minor role that help or twist into details in the events of Fate/Zero Sanity:
(Note: Excluding some flashback that servants past especially some characters are from other works , members of OSG and epilogue that in cameo by the events that appears either in Fate/OSG and Fate/Stay Nightmare have important roles were not gonna include.)
- Edgar Silverstein
- Susumu Chibaa (Japanese), Derek Stephen Prince (English)
- A mysterious person and leader of OSG have been issue by the Church this current Grail War. Leading throughout the leader and different members are not the same Earth as replacing Servants otherwise from other works of fiction.
- Angra Mainyu
- Takuma Terashima (Japanese), Michael Sinterniklaas  (English)
- The responsible have abilities that categories marked and replace four servants class and additional one irregular class.
- Daisuke Kishio (Japanese), Troy Baker  (English)
- A mysterious entity that inside the Grail in the presence within. He's came across only appear in Fate/Stay Nightmare.
- Ryuunosuke Uryuu
- Akira Ishida (Japanese), Taliesin Jaffe  (English)
- Without an eldritch abomination the serial killer was killed immediately put out of commission leading to event the summon of pseudo-Servant.
- Grand Fisher
- Chafurin (Japanese), Paul St. Peter (English)
- An Arrancar that same around later the day after the serial killer was dissolved, leading the summon as Fake-servant by the Grail.
- Aoi Tohsaka
- Itou Hasumi (Japanese), Michelle Ruff (English)
- The mother of two Tohsaka and wife. In this events, she despised after reveal Kariya's truth leading her assume believe killed or alive.
- Glen and Martha Mackenzie
- Ikuo Nishikawa and Atsuko Mine (Japanese), John DiMaggio  and Michelle Ruff (English)
- An elderly Canadian couple who live in Japan, after Waver believe that he is their grandson, however in this events they discover is not their grandson but hypnotise.
- Rin Tohsaka
- Kana Ueda (Japanese), Mela Lee (English)
- Despite her young age, she is capable of using elementary magic. However in this events she's met that pseudo-Servants after she fought the Grand Fisher.
- Sakura Matou
- Noriko Shitaya (Japanese), Cristina Vee (English)
- Due to her physical appearance despite of Matou's family influence by Zouken. She's met Berserker and Soul for the first time as Kariya's Servant with heartwarming moments.
- Claudia Hortensia
- Yuri Amano  (Japanese), Claudia Christian  (English)
- A wife of Kirei Kotomine and father-in law of Risei Kotomine. She's revealed for the first time by Kirei's Servant, Assassin contrived of dream past.
- Shirou Emiya
- Junko Noda (Japanese), Mona Marshall (English) Bryce Papenbrook (English; Teen)
- Unlike in original timeline. He met a new people by Kiritsugu before his death leading toward new information in Fate/OSG and Fate/Stay Nightmare.
|Fate/Zero Sanity • Fate/OSG • Fate/Stay Nightmare|