This anime depicts the story of brother and sister, the movie starts when their mother dies in the firebombing and their father was at war in the first half of the anime. After their home gets destroyed having Little or no choice left they had to live in a relatives' home but after some time they become resentful toward the siblings so they choose to leave the house soon after they found an abandoned bombed shelter. this anime shows the everyday fights of a brother how he tries to fights with all odds just to collect some food for his little sister while watching all these unfortunate incidents unfolding it will break your heart into pieces.it not only shows the real picture of the world how cruel it is but also shows how lucky we are to have a family and a place to live in. It makes you laugh, cry, sympathize, guilty and what more can you ask. I'm very lucky that I came across this anime. will highly recommend everyone to watch this