Im Jin-ah (born September 14, 1991), known professionally as Nana (나나), is a South Korean singer, actress, and model known for her work as a former group member of the South Korean girl group After School and its subgroups, Orange Caramel and After School Red. As an actress, Nana has starred in various television dramas such as Love Weaves Through a Millennium (2015), The Good Wife (2016), Kill It (2019), and Justice (2019).