Natsufuku no shōjotachi Hiroshima Shōwa nijūnen hachigatsu muika

In 1945 the second and thirdyear students of a Hiroshima girls school are taken away to work in war factories The remaining 220 girls of the first year try to make the best of their newfound status as the only teenagers in an almost deserted town even amid the deprivations of wartime On the seventh of August an American bomber changes their lives forever Broadcast on the 43rd anniversary of Hiroshima in memory of the girls who lost their lives to the atom bomb Source Anime Encyclopedia