Express Shop: the Nerve Node of the Great Yuan Empire

In the winter of 2024, there was heavy wind and snow. Courier Chen Yuanzhou delivered a gold hairpin unearthed from the Yuan Shangdu site to cultural conservator Ayun. When the golden hairpin was in hand, he traveled through seven hundred years and became "Zhang Shiliu", a soldier of Heishan Shop, an express delivery company in the Yuan Dynasty. That golden hairpin was carved by Basiba. The emperor's master predicted that seven hundred years later, the holder of the hairpin would help Princess Borjijin and Yunji of the Yuan Dynasty break the shaman seal. And Yunji——it is Ayun. Seven hundred years ago, she escaped from marriage to Huayan Temple, and was released from the sealed underground palace by the shaman who had a crush on her. And the person she escaped from marriage with, Alibu, planted wild lilies outside Helin City for seven hundred years, and carved a bone hairpin every year for her to see. Chen Yuanzhou delivered one document after another in Heishanpu. Finally, he tied the golden hairpin back into Ayun's hair with his own hands.