Datang: Just Became the Richest Man, and Was Forced to Marry by the Empress

Yang Yu travels through the Tang Dynasty. At the beginning, he mistakenly recognizes Wu Zetian, who is visiting in private, as the sister next door. He gives advice while joking and teasing, provides advice on reforming the imperial examination system, and more accurately predicts border wars. He originally wanted to be a salted fish, but he was targeted by the queen and forced to marry...