Doomsday: After Nuclear Contamination, I Became Humanity's Savior

[Parallel world + System + apocalypse + can lie low or go wild + ruthless and decisive + safe house overflowing with supplies]

Ye Junrui, a laid-back couch potato who likes to lie flat, is accidentally electrocuted and transmigrates to a parallel world.

Nuclear wastewater has polluted vast stretches of land.

Poverty and plague are spreading, while endless wars have caused the population to plummet.

Humanity is huddled away in dark, forgotten corners.

Their former homes have become gathering places for all kinds of bizarre creatures.

Ye Junrui calmly says,

“None of that is a problem for me~”