Decadent Men Always Have a Rising Past

As a time-traveler who travels to the villain of a novel he has read, he must compete for the protagonist's resources in order to survive, and he is in charge of the system, which makes him a fish in water. However, the protagonist is not a fuel-efficient lamp. He has a destiny, and he is not able to survive. He also obtains stronger resources and fights with them for decades. In the end, he and the protagonist work together to clean up, forcing his own system to self-destruct to save his life. All his magic power is lost, and he falls into the mortal world. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.