Huo Yanjun never thought that an accidental electric shock in the laboratory would throw him, a 22-year-old top student in the physics department, directly onto the streets of Bianjing during the reign of Renzong in the Northern Song Dynasty.
Looking at the ancient building with blue tiles and cornices in front of him, and listening to the shouts of "Please come in here, please" in his ears, he pinched the half piece of modern chocolate left in his pocket and took a deep breath - as soon as he came, he would put it down. After all, he had thousands of years of knowledge reserves in his mind, so he couldn't starve to death in the Song Dynasty.