I’m a Security Guard: Saving the World with a Mouse in the Apocalypse

The apocalypse, divine artifacts, multiple women, no harem master, saving the world!

On January 1, 2030, an unexplained change in solar activity ushered in the “Scorching Era.”

Temperatures kept rising, with the daily average exceeding 50°C and reaching 70°C in extreme regions. The polar ice caps melted rapidly, sea levels rose, and coastal cities fell. Superdroughts, surging ultraviolet radiation, and collapsing ecosystems followed.

Mainstream scientists believe the Sun has been enveloped by an abnormal cloud of high-energy particles, but they have no way to deal with it.

Mouse... save... the world