From heaven to earth, there is a long, long road, and everyone who walks on this road has a very sweet story that finally reaches the end; from hell to earth, there is also a long, long road, but everyone who walks on this road has a very painful story that still reaches the end. All the people, monsters, immortals, ghosts, demons, and gods who finally made it to the human world survived in different forms. They forgot their true colors and existed in the world, suffering in the world. After death, if you are a good person, you will become a firefly, illuminating yourself and others, leaving a trace of memory for others; but if you are a bad person, you will become a cicada, complaining about the shortness of your life throughout your life. In the end, dust will return to dust, dust will return to dust, and it will no longer exist in any form anywhere. But before the end, if someone always remembers you, and you always remember him, then after you both die, you can start from the very beginning together. Then??????