Air rushed back into Nan Wan'yan's nostrils. She retched, spewing a pool of blood, then slumped against the edge of the bathtub, gasping for breath.,Looking at the dilapidated courtyard, completely uninhabitable, Nan Wanyin clenched her fists tightly.,Two little girls looked exactly alike. The girl on the wall had her hair in a bun and was clinging to the wall tightly. The girl with two braids downstairs, sobbing, said, "Big sister, I...I'm scared..."。