A girl finds that the old man living in the opposite side never opens the window. His son left hometown for work just as the girl's parents. The girl and the old man take care of each other occasionally and he opens the window eventually.
Overview：A girl finds that the old man living in the opposite side never opens the window. His son left hometown for work just as the girl's parents. The girl and the old man take care of each other occasionally and he opens the window eventually.
