Real Story!! 4 year old Girl and Her Brother Left by Their Parents in World War 2

"Grave of the Fireflies," a 1988 Japanese animated film by Isao Takahata and Studio Ghibli, is a poignant exploration of post-World War II
Japan. Adapted from Akiyuki Nosaka's story, it follows the tragic tale of siblings Seita and Setsuko amidst the ruins of war. The film,
renowned for its emotional depth and stunning animation, delves into themes of family, sacrifice, and the enduring impact of conflict on
the innocent.