Barefoot Gen
はだしのゲン (original)
A story about the effect of the atomic bombing of Hiroshima on a boy's life and the lives of the Japanese people.
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 Ireland.