Time Travel! but Split Personality?

For unknown reasons, the male protagonist successfully accomplished what others only dream of - traveling to a different world! Do you think you can have a system to live the life of a cool hero? Beautiful thought! Did I call you here to make you happy? It is your script to use the worst resources to defeat the devil! At the same time, due to Di Si's mistake, the soul of the original owner seemed not to be extinct. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.