Back in the Northern Song Dynasty, I Became the Richest Man Through Breeding

Cao Jin accidentally fell down a steep slope while delivering food. When he woke up, he became Cao Heng, a down-and-out descendant of the Cao family in Qiao County. He had nothing but a muddy pond and a fenced yard. Later, Cao Jin discovered that there was a mysterious space hidden in himself, which could provide him with what he needed in a timely manner. How Cao Jin, who majored in animal husbandry, could show his talents in the Song Dynasty and become the richest man in the court.