Jiuyou, a person whose identity has become unknown after living for who knows how many years, was bound by the system to travel through various worlds because of an accident. System: Host, what are you doing? Jiuyou: Anatomy. System: This is the protagonist. If you die, you will be wiped out by heaven. Someone: Oh, do you want to kill my wife? Tiandao: I don't dare, I beg you to let me go.
Intent: Mutual salvation between two people in darkness