Obake Entotsu no Uta
Japanese title: おばけ煙突のうた
Alternative titles: Song of the Chimney Ghosts, O-bake Entotsu no Uta
Type: Movie
Source: Book
Episodes: 1
Status: Finished Airing
Aired: May 29, 1993
Duration: 42 min
Rating: PG - Children
Themes: Historical
Demographics: Kids

One day in 1945, children in Tokyo mistake the distant factory smoke of Shitamachi for ghosts in the sky, though their happy playtime is soon destroyed by the arrival of American bombers.

(Source: The Anime Encyclopedia)