Choi Young-do is a fictional character from the popular South Korean television series The Heirs. He is portrayed as a wealthy and charismatic high school student who often displays a tough exterior but has a complex personality. Young-do is known for his rivalry with the main character, Kim Tan, and his complicated relationship with Eun Sang, the female lead. Throughout the series, Choi Young-do struggles with his feelings and the expectations placed on him due to his family's wealth. His character development highlights themes of love, friendship, and personal growth, making him a memorable figure in the drama.