Doomsday: Global Male Sterilization, Only I Am Immune

After the global male sterilization, the apocalypse came, Lu Yan was reborn and returned, the only man who retained the ability to have children. Space to stock up on supplies. The system changes abilities. He would not spare anyone who betrayed him in his previous life, and he would protect the girl who had blocked seventeen knives for him in his previous life to the end in this life. He will eventually conquer all heavens and worlds and become the ruler of the era!