"When My Name Was Keoko" is a historical novel set during World War II, focusing on the experiences of a Korean brother and sister, Sun-hee and Tae-yul. As Korea becomes occupied by Japan, the siblings face the harsh realities of oppression, including the mandatory adoption of Japanese names and culture. The story illustrates the struggles of maintaining their identity in the face of cultural assimilation and the impact of war on their everyday lives.
The novel delves into themes of resistance and resilience as the characters navigate their family's challenges, including their father's involvement in the resistance movement. Through their personal struggles, the siblings embody the broader fight for Korean identity and freedom during a tumultuous period in history. Their journey reflects the sacrifices made by many Koreans during this time.