Invincible in a Matriarchal Cultivation World… Without Cheats?!

Transmigration was supposed to be his golden ticket—overpowered abilities, legendary techniques, world domination. Reality check: he's stuck in a matriarchal cultivation world where women rule and men keep house, with zero system, zero cheats, and zero protagonist privileges. No divine artifacts. No hidden bloodline. Just an ordinary guy from Earth trying to survive in a world that flipped every isekai trope on its head. How does someone become invincible when the universe itself refuses to play fair?