Lin Beichen, a young takeaway boy, awakened the power to control metal on a rainy night and was forced to enter Lingxiao Academy, which trains dragon descendants. When he discovered that the taboo Yinglong blood was flowing in his body, and that the mechanical girl's spine was actually the compass that sealed the Dragon Attendant, a millennium conspiracy suddenly emerged: the modern city was actually an altar for resurrecting the ancient gods, and every hybrid was a living sacrifice with a countdown engraved on it.
