Extraordinary You is a 2019 South Korean television series starring Kim Hye-yoon, Rowoon, Lee Jae-wook, Lee Na-eun, Jung Gun-joo, Kim Young-dae, and Lee Tae-ri. It is based on the webtoon July Found by Chance which was first published in January 2018 on Daum Webtoon. The series aired on MBC TV's Wednesdays and Thursdays 21:00 (KST) time slot from October 2 to November 21, 2019.

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 (2018–2019) and received her first leading role in television with MBC's Extraordinary You (2019) and her first leading role in film with The Girl on a Bulldozer (2022). She has been dubbed by various Korean media as the Nation's Little Sister.