Espionage: Slaughtering the Invaders, Fishing Across the Myriad Worlds, and I'm the Invader

He transmigrates to Shanghai, fights a spy war against the Japanese, and, as a reckless otaku with a System, takes it all easy.

A parallel world with a completely fictional history. It might be pretty brainless.

Push forward all the way, and enjoy the ride!

Identity: Hirohito's uncle, a Japanese prince. And of course, there are bonus surprises!

Enough talk. Let's get started!

Ding! The author's brain has been eaten by zombies…

This is a memory that belongs to you.

A memory you have already forgotten.

Who am I?

Some people call me the "Damn System."

Others affectionately call me "System-chan."

I'm the most ordinary member among the countless offspring of the "System" family. My name is 9527.

This is a story with you as the protagonist!

This novel and its characters are entirely fictional. Any resemblance is purely coincidental. Do not imitate.