Tokyo Fiction: Mission://Rip Van Winkle

is a Japanese light novel series written by Mizunari Shibuya, with illustrations by PAN :D. The series began publication on February 10, 2021 by ASCII Media Works under their Dengeki Bunko publishing imprint.

Synopsis
This story is supposed to be a lie-time is 2020 AD. The two meet in the town of Tokyo, where spies sneak around the mystery of Cosmogia, which the whole world seeks.

"Kunoichi" Mio has passed the time since "500 years ago".

Zero "modifier" going back in time from "500 years later".

Although they have different motives, they have signed a false brother-sister contract to prevent the "universe alteration" that would lead to the destruction of the world.

Its mission was to infiltrate the school as a teacher and student in order to get closer to the girl "Observer of the Red Eyes" who watches the time-traveling wristwatch "Eternal"!

"Hey, stop shuriken in the living room !?"

"Because my brother only watches movies!"

A thousand years old, the family is a dog monkey, can you still save the world?

Super space-time spy fiction, which deceives with love and creates the future, has started screening!