This is a 22-minute apology disguised as a joke, built entirely around the fact that Ritsuka Fujimaru, the player character, the one piece of the game you actually control, has been missing from most Fate Grand Order anime adaptations. The special doesn't try to be profound about it. It just leans into the comedy of a cast that's spent entire seasons doing hero work without their actual protagonist, like a party realizing mid-dungeon that the main character logged off hours ago. By the time the credits roll, it's already sold you on what comes next: an actual anime where the guy gets to show up.
Ritsuka Fujimaru wakes up to find themselves completely erased from existence. Nobody remembers them. The Chaldea facility operates without them. Masters carry on their missions. The entire organization functions perfectly fine as if they never existed at all. What should be a crisis becomes something far weirder: a comedy of errors where Ritsuka desperately tries to prove they were ever real. They're invisible to the people they've fought beside, forgotten by servants who summoned them, absent from records that documented their heroic journey. It's an existential joke played out in real time. This special spins the premise of the Fate/Grand Order universe into something absurd and oddly touching. Rather than serious drama, it mines humor from the surreal experience of non-existence while poking fun at the franchise itself. Perfect for anyone who appreciates when series lean into self-aware comedy and aren't afraid to mess with their own established world.