The Apocalypse Begins with Marrying a Stunning Teacher

[System + zombies + apocalypse + not a solo lead, not a harem + invincible]

A shroud of mist descends, and disaster strikes without warning. Seventy percent of the world's living creatures mutate into terrifying zombies, leaving humanity on the brink of extinction.

Fortunately, transmigrator Wang Yang binds with the System for Humanity's Survival.

Wang Yang says that for the sake of humanity's future and the preservation of civilization's flame, he'll just have to work a tiny bit harder.