Those several white coats were shouting, Han Xiao hadn't heard their language before, but he could understand the meaning. "Experiment", "survival time", "guard" these words made him feel uneasy. Footsteps sounded urgently outside the door, someone was quickly approaching.,Han Xiao's expression darkened. So, those three hundred pieces are gone for good!,New books need everyone's care, recommendations! Favorites! Support! Everything!。