In order to protect the bugs that appeared in each world, Xuan Hanze traveled through time and became the Immortal Lord of this world. He was motivated to fix all the bugs, but he met the Demon Lord by chance and found that his values were too exaggerated. He thought it was a bug and wanted to fix it, but because he used the wrong code after modifying the system and updated it, he accidentally became the owner of the Demon Lord.
Watching instructions:
Mainly because I suddenly became interested and wanted to write about it. I won't give up, but the update speed may not be guaranteed. This is my first time writing and I don't even have an outline, but I will still work hard to finish it.
Purpose: Maintain order in the world