In the future, people have invented a "walking lantern" that allows them to look back on their lives, and you can also change your past. Of course, this completely goes against the rules of the human world, so this is basically the prerogative of people who are dying. And I, in my third year as a lawyer, I learned that I had cancer. I finally let it go, but when I was three years old in "The Revolving Lantern", I saw the reason why I got sick.
Intention: I don't know