(Memory rebirth + scorching heat + cold winter + stockpiling + zombies + technological machinery + no saint + the protagonist is dark and sharp-tongued + mild cheating)

Abnormal solar flares, extreme heat, extreme cold, and viruses.

It directly destroyed the civilization and order established by mankind.

A technological ball of an advanced civilization brought Li Fan's memories back to his college days.

After being reborn, will Li Fan bring chaos to the world with a twisted mentality of hatred, or will he find his true self?

Good and evil, good and bad, is itself a false proposition. The story has begun, wait and see