The night light stretched its body and reflected it on the water, as if this could suppress the loneliness that was stirring in its body. He seemed to be in a deserted world, counting his own footsteps until they matched the same frequency as his heartbeat. It turns out that the most honest echo of this city at night is the never-ending cry in our imagination - loneliness. The work attempts to present the image of a night walker, depicting the various issues surrounding the companionship and care of lonely elderly people in today's society as the aging era approaches!