Honkai: Star Rail: Cipher from the Start: I Will Start a Rebellion

[Transmigration] + [System] + [Cipher's Secret Identity] + [Catgirl Aglaea CP] + [Comedy] + [Fast-Paced, Feel-Good Power Fantasy]

…

I transmigrated as Cipher and got a System.

I thought I'd entered the world of Honkai: Star Rail.

But it turned out to be a strange parallel world, much like the Blue Star.

Here, Cipher and Aglaea depended on each other, living in the lower-class district.

Cipher discovered that in this world, the villainous Senate had become a brutal ruling power, while the Chrysos Heirs had none of the extraordinary strength they possessed in the game.

So, to fight back against oppression, Cipher launched an uprising and vowed to wipe out the Senate once and for all.

Cipher: “I won't spare a single one of you, Senate or Purger. I will wipe you all out…

“Cynus, I can't be bothered to reason with you, and you don't deserve to hear it anyway!

…

Cipher: “Aglaea… I'm not a bad cat. I'm the best cat in the whole world.”

…