Soul co-existence means allowing the souls of two people to exist simultaneously within one body. However, this is extremely dangerous for the soul's owner. If an unwelcome guest takes over, they may seize control of the vessel, turning one's flesh into another's abode, and even risk annihilation of their soul. Although he looked down on Tuhongfei, he knew Tuhongfei would never do something so foolish. But now, this incident was happening right before his eyes. So, why?
Usun Boyi was an incredibly clever person, and soon a possibility emerged in his mind.
