The eldest lady Shangguan Yue, who has just entered university and is about to enter her 18-year-old coming-of-age ceremony, suddenly discovers that her friends, the school principal, and some of her classmates are non-human beings. The school library also hides secrets that are unknown both at home and abroad. He actually fell in love with a non-human being who was over a hundred years older than him. Not to mention the generation gap, there is also the issue of race. Facing the mysterious disappearance of his parents, he was forced to accept the important task of saving the world. So he embarked on a road of no return with a group of unreliable or passionate non-human beings. I actually found myself on this road of no return. . .