Muxia Kingdom is in a special space. People in this space will experience two farewells.
The dead person will suddenly appear next to the person he cares about on an uncertain day in the future.
No one knows why these undead come back. They always lose a lot of sad memories and repeat the trajectory of their lives as if nothing had happened.
Even so, the time he can stay is limited, it may be a few minutes, or it may be a week. In short, the next moment he blinks his eyes, he may leave and disappear.
Having another chance to say goodbye is still very difficult.
Intention: Existence is reasonable