Barefoot Gen
はだしのゲン (original)
Una storia sull'effetto del bombardamento atomico di Hiroshima sulla vita di un ragazzo e sulla vita del popolo giapponese.
Starring Issei Miyazaki, Masaki Kouda, Seiko Nakano, Takao Inoue, Yoshie Shimamura, Takeshi Aono, Katsuji Mori, Taeko Nakanishi, Tatsuya Jo, Junji Nishimura
It's a animation and drama movie, and has a rating of 8 out of 10 from Imdb which is usually fine for this kind of movie.
Watch it here
Not found streaming from Italy.