Romeo no Aoi Sora  

Die schwarzen Brüder, Le ciel bleu de Romeo, Romeo and The Black Brothers, Romeo`s Blue Skies, Spicchi di cielo tra baffi di fumo, Τα παιδιά των καπνοδόχων, שמיו הכחולים של רומיאו

Romeo is a young man from Switzerland who lives with his family in a small village. Despite being kind-hearted and courageous, he becomes the target of Luini, also known as "The God of Death," a notorious figure for buying children and selling them as chimney sweeps in Milan. In an attempt to acquire Romeo, Luini burns down his family's cornfield and injures his father. To help his family financially, Romeo sells himself to Luini. On his journey to Milan, he meets Alfredo Martini and they quickly become friends. However, as a chimney sweep in Milan, Romeo faces numerous hardships and mistreatment from both his master's family and the Wolf Pack gang. After reuniting with Alfredo, the two form "The Black Brothers," a fraternity of chimney sweeps who vow to fight against the Wolf Pack and support each other during tough times.

Romeo no Aoi Sora is based on the 1941 German novel Die schwarzen Brüder by Lisa Tetzner.