was underway. Xu Changqing and Xu Jiuan were also driven to madness, starting to bite people indiscriminately. After all, if they couldn't find the culprit, they would be the ones who died. Finally,...with shock and disbelief etched all over his face.From Li Chen's introduction, she can get two pieces of information.The first one is a crop called sweet potato, which can be used as a staple food.Ano...