Saka, originally a warrior from the M78 Nebula Kingdom of Light, guarded the prison. Five hundred years later, things changed drastically. Beria carried the King of Ultra's staff and attacked the prison. Saka died unexpectedly, and his soul was reborn into a high school senior named Ye Xiao, who awakened the system. After that, all the worlds became Emperor Ye Tian! No one knows it, no one knows it, and it will be passed down from generation to generation!