[Unhappy article, no harem, no routines, no invincibility, no system, just to satisfy the author's fantasy in high school] The door to the other side opens. In a world full of spiritual power, people have been fighting against demons for hundreds of years. After the demon king obtains all the holy relics, he can break through the shackles of the seal. And as time goes by, the results of human cultivation are not proportional to the strength of the devil. If it is not eliminated as soon as possible, serious consequences will occur.
