I'm reading this one, it's for girls, boys shouldn't read it. The end of the world + space + superpowers + upgrades + bringing up kids, I recommend you check out [Chigua] [Chigua]
In the zombie apocalypse, the protagonist is bitten at the beginning, but becomes a blessing in disguise and enjoys a beautiful life in the apocalypse that others cannot envy. She has a harem, is not promiscuous, is full of details, and has an online IQ. Even if she can be crushed, she won't show off easily and focuses on being steady.
