In the Apocalypse, I Bond with a Demon System and Go on a Killing Spree

[Apocalyptic disasters + wasteland setting + System powers + pocket dimension + teamwork + powerful leads]

The heroine has trouble communicating early on and has two personalities, but they are both her!

The hero starts out at the very top of the power scale, but is suppressed early on and will recover later.

A modest ensemble cast

An earthquake marks the beginning of the apocalypse.

Extreme heat, extreme cold, and other disasters accelerate biological mutations.

Social order collapses, supplies become desperately scarce, and human nature is twisted beyond recognition...

[Welcome to the Apocalypse Demon System. The union of good and evil, the harmony of light and darkness. When the apocalypse arrives, will you be a judge or an executioner?]

Gu Xiaomo binds herself to the Demon System, but it gives her two choices: become a champion of fairness and justice, or an executioner stained with blood?

Ji Fengxing unexpectedly becomes a max-level ability user, but he can't use his powers and can only let others bully him?