Global Invasion Only I Know the Future

"In the New Calendar 019, orc forces landed in the Water Kingdom. After seven hours, the Water Kingdom became the first nation in human history to be destroyed by an alien race." "In the New Calendar 021, Chaos Generals descended upon the Polar Bear Kingdom. The Ulra Legion fought with all its might, and 22 hours later, the entire border fell." "In the New Calendar 023, the Western Alliance launched its forty-seventh human counterattack, and 300,000 core expeditionary troops perished in Bod."... Chen Jiannan was reborn six months before the apocalypse. Orcs, undead, and the armies of Chaos Gods from all realms arrived one after another, and humanity faced a global war of survival. This time, he vowed to mobilize the entire nation's strength to reverse the future and save the world!

Main characters: Chen Jiannan, Xiao You,