Kim Hye-yoon is a South Korean actress and model. She first became known through her portrayal as Kang Ye-seo in JTBC's television series Sky Castle and received her first leading role with MBC's Extraordinary You.
An alienated, 18-year-old man struggles with daily life, fluctuating romantic status with his bisexual, polyamorous girlfriend Mel and conflicting feelings for a shy gay classmate.
