Picked up a Fairy to Be My Wife

As the saying goes, there is Bai Yujing in the sky, but the young man from the 21st century does not believe it. As a post-00s generation, how could he believe in gods or something in the sky? But that night when there was a power outage, he saw it. It turns out that immortals really have different appearances when they descend to earth. No matter what, he now actually raised an immortal. Still alive.