Qian Zhaoyou, a noodle shop owner, picked up a cute little black dragon at his doorstep. A hug would make him happy all day long. He thought he was just a cute pet from heaven, until late one night, Xiaolong transformed into a cold man in black clothes and horns in his arms, and swore an oath in a hoarse voice: "I have been looking for you for eight hundred years. This time, I will not leave."
