In August 1945, the world witnessed unimaginable destruction when the U.S. dropped atomic bombs on Hiroshima and Nagasaki, ending World War II. Among the countless stories of tragedy and survival, one stands out above all—Tsutomu Yamaguchi, a 29-year-old engineer from Nagasaki. He was in Hiroshima on a business trip when the first bomb detonated, suffering severe burns but managing to survive. The next day, he returned to his hometown of Nagasaki—just in time to experience the second atomic bomb