Joon-sang is a fictional character from the popular South Korean television drama Winter Sonata. He is portrayed as a sensitive and romantic young man who experiences deep emotional struggles throughout the series. His character is central to the story, which explores themes of love, loss, and memory. In Winter Sonata, Joon-sang's life is complicated by a tragic past and a love triangle involving Yoo-jin, his childhood friend. The series, which aired in the early 2000s, played a significant role in the Hallyu wave, popularizing Korean dramas internationally and influencing many viewers with its heartfelt storytelling.