In the Last Days, Many Children and Many Blessings Will Come, and the Corpse Royal Family Invades

[The Virgin Mary should not enter + the rise of zombies in the apocalypse + decisive killing] The doomsday is coming, zombies are raging, alien beasts are rampant, and Blue Star has entered a brutal era of survival. Cao Mengzhe was attacked by survivors, and when he was about to die, he awakened the "Rise of the Corpse Emperor" system. As long as he married the opposite sex, he could get various rewards by marrying a wife and having children. [Give a baron-level heir and receive a reward: random attribute +10. [Breed an earl-level heir and receive a reward: evolved copper skin and iron bones. [Give a king-level hybrid heir and receive rewards: all attributes*10, evolved bone wings. Tremble, humans, this is the world of zombies, my world...