Part 1: Hiroshima, 1955. Ten years after the city was absorbed in the outbreak of the scorching light, the woman's soul is still deeply touched by a destructive explosion, who devastated her home and forever changed her life ... A family from Hiroshima is trying to come to humble With your survival from the atomic bombing of your city. The main hero mining Hirano, about 20 years. Part 2: Established several decades later, the nephew of Minami Hirano is puzzled by the mysterious disappearances of her father. She and friend follow him to find out what he is doing. The main topic of this historic manga relates to the question of the influence of war and atomic bombing on the most vulnerable. Fumiyo Kôno considers this question in its excellent book: award-winning and widely discussed masterpiece! This manga won two awards,