This is a series.
The series begins in 1945 in and around Hiroshima, Japan, where six-year-old Gen Nakaoka lives with his family. After Hiroshima is destroyed by the bombing, Gen and other survivors deal with the aftermath. The series was published in several magazines, including Weekly Shōnen Jump, from 1973 to 1987. It was adapted into three live-action film versions directed by Tengo Yamada, which were released between 1976 and 1980. Madhouse released two anime films, one in 1983 and the other in 1986. In August 2007, a two-night live-action television drama series aired in Japan on Fuji TV.