紫蝴蝶

The stall owner threw the things in his hands onto the stall, and was about to scold Ning Cheng for being such a fool for daring to ask him to close the stall and negotiate the price, when he saw Ning Cheng gently folding the insect bone in his hand. It was only a foot long. It has become two sections. Not to mention that, Ning Cheng superimposed these two sections of insect bones and folded them again, turning them into four sections....