The Goddesses' Terrible System

A female mercenary transmigrates to primitive society, where she also breaks her leg. The male lead drags her back to his tribe, planning to eat her. But when he sees that the girl has regained consciousness despite her severe injuries, he decides to keep her and have children with her instead. The female lead inexplicably gains some kind of Goddess System. Before she can enjoy any of its benefits, it punishes her. To earn enough merit points, she and the male lead match wits and battle it out. She sets out on the path of a kind, generous, and benevolent person, and together with the male lead, builds a civilization in primitive society. And so the story begins...