Eun Sang is a fictional character from the South Korean television series The Heirs, which aired in 2013. She is portrayed as a hardworking and determined high school student who comes from a humble background. Throughout the series, Eun Sang navigates the challenges of her life while dealing with the complexities of love and friendship. Eun Sang's character is central to the story, as she becomes involved with Kim Tan, a wealthy heir. Their relationship highlights themes of class disparity and personal growth. The character is known for her resilience and ability to face adversity, making her relatable to many viewers.