Embers of the Green Tide: Age of Survival

Three months before the doomsday: Extreme rainstorms occur frequently, vegetation grows wildly but the leaves are alienated from green to black, and animals develop aggressive mutations. Street cats increase in size by 50% and become more aggressive; news reports say "unknown fungal infection", abnormalities have been detected within the "Ark" laboratory, but the top management blocks the news for profit and secretly promotes dangerous experiments. . .