When selecting Servants for the Fourth Holy Grail War, a new log of history with numerous heroes came to light, outside of the normal books and legends. With this new knowledge, the Grail demanded they be resurrected to fight in the War. How was it supposed to know that they were fictional characters from computer games?

Stranded in another universe and time, the residents of Nerima find themselves in a place of aliens, technology and wonders beyond their imagination. Ten years later, they finally have the chance, and the power, to find a way back to their home, thanks to their own starship.

... to go Back in Time and Make Things Right. A parody of all Time Travel fics, with one exception, Harry has to battle his own mind: MultiplePersonality!Harry