Ruyi Little Scholar

Li Chen, a planetary observer, traveled to ancient times and became a poor scholar. He unexpectedly discovered a shocking change in his brain's calculation ability. But there is no most powerful brain platform in this world. There is only a world where six countries stand side by side and seven realms compete. Looking again, there was no food in the house, no millet in the barn, and nothing except a lovely little maid. All the villagers pointed at his waist and said, "Look, Mr. Li still has a kidney." Li Chen: "..." Let's see how the little scholar shows off his talent.