There are two parallel time systems in the world: Modern Chronology: In 2025, technology is advanced but spiritual energy is thin. The protagonist is a workplace loser who delivers food. He accidentally enters a new time and space. Sacrifice Chronology: Every 100 years, the year is reincarnated. Burning Tao and offering sacrifices surpass mortals, and he is expected to become an immortal in the mortal world. . . .