Will Everyone Survive on the Road, Will I Have More Children and More Happiness?

[Road survival + doomsday + vehicle upgrades + multiple female protagonists + decisive killing] When they woke up, all human beings around the world were thrown onto the endless road to death. You start with one vehicle, and all supplies are picked up. Just when Chen Xiaogou was dying, the [Many Children and Many Blessings System] suddenly came online?