The ancient world, the secluded realm, the lingering love. The gratitude and resentment of many lifetimes of love, entanglement or letting go. People with obsessions, looking for sustenance between heaven and earth, the ancient and mysterious tears, the name "the end of the world" given by the soul. Life or death cannot be controlled by oneself. Love or not love is something you try to control. In fact, she and he just wanted to have a happy ending, even if they couldn't live forever...