Doomsday Descends: Reborn as a Tiger

Reborn as a chubby tiger in the zoo, carrying the memories of the apocalypse from my past life, I know that in 100 days, solar flares will sweep across the globe, causing genetic mutations in living beings and turning the zoo into a hell on earth. To avoid repeating history, I undergo desperate training, eliminating the future king-level mutant crocodile and black chimpanzee early—only to inadvertently trigger a timeline chaos, causing the apocalypse to arrive sooner.