Not Good! the Sickly Junior Sister Has a World-Destroying Sword Hidden in Her Bones

"If fate is intertwined, great disaster will surely befall..." "It turns out that the real life-inducing technique is to exchange your life for your immortality with my life." "Strength should not only be used to protect oneself, but also to protect the common people." "Save the land and lose the people, and everyone and the land will be lost; save the people and lose the land, and both the people and the land will survive." Five-year-old Shen Yu suffers from a strange disease, and her spine becomes a cage to imprison her. However, under the guidance of the national master, she meets the barefoot boy again. Their fates are connected, opening up a picture of destiny intertwined with death and vitality.