Spirit Cage, Black-Hearted Profiteer

First of all, I must make it clear that I wrote this because I was depressed, so the end of the world and happiness are like merit and family. Then I will also integrate some technology from other movies, TV shows or games. It will not be about metaphysics. The focus will be on technology. The main story of this article is about the protagonist Wang who died in his previous life and entered a spiritual cage after his death and obtained a system that will gradually change the subsequent events.