This is a sad story.
Standing at the end, looking back at the past, squinting my eyes, I realized that what I passed along the way was nothing but desolation, nothing but regret, nothing but helplessness.
In the story, what he often says is "in the future", there will be happiness in the future, joy in the future, and smile in the future.
In the story, what she often says is "how long", how long it will take to be happy, how long it will take to be happy, and how long it will take to smile.
On the sidewalk at the street entrance, lights come on and off, and the flow of people at both ends merges. They passed each other at a distance of one person.
What a ridiculous fate. People who have never met each other can smile face to face as if nothing has happened.