The Tree Hollow in My Home Connects to the Tang Dynasty

After returning to his hometown, the male lead accidentally discovers that a hole beneath an old tree can transport him to Chang'an during the Tang dynasty. By trading modern goods for antiques from Chang'an, he becomes the richest man in both worlds. He befriends nobles and members of the royal family, marries the princess of the dynasty, and becomes the Tang emperor's son-in-law. In the modern world, he leads the antiques industry and becomes its greatest merchant.