Records of the Cattle and Horses of Chang'an

(This article has a CP. The male and female protagonists are not perfect. They are growth-oriented and selfish to a certain extent. The male protagonist is a reckless man! And the supporting characters will not be inexplicably reduced in intelligence. It is not a brainless and cool article.) "Although the road is dangerous, my heart is very strong." Jiang Shangxian traveled through time and space. He worked diligently in Chang'an to sell braised mutton for half a year to save money, ready to shock the catering industry in the Tang Dynasty. The mysterious letter that appeared out of thin air disrupted all plans. "What? This thing has a mission?" "You are a thief! I knew it! Your uncle's travel through time and space also has performance indicators!?" Jiang's mother: "It's really the merits of my ancestors. Cui Shaoqing actually fell in love with you! Come with me to kowtow to the Bodhisattva!" Confession...