Im Jin-Ah (임진아), best known by the stage name Nana (나나), is a South Korean singer, actress, and model. She debuted in November 2009 with the South Korean girl group, After school signed under Pledis Entertainment for the single, "Because of You".
On June 17th, 2010, Nana debuted in After School's sub-unit, Orange Caramel signed under Pledis Entertainment. On July 20th, 2011, she joined After School's other sub-unit, A.S. Red also signed under Pledis Entertainment.
In December 2013, Nana gained global recognition when she placed second on the 'Independent Critics List of 100 Most Most Beautiful Faces of 2013'. The same year, she collaborated with South Korean K-pop boy group, ElectroBoyz on their single, "Ma Boy 3".
Nana has acted in various television dramas such as, "Love Weaves Through a Millennium" (2015), "The Good Wife" (2016), "Kill It", and "Justice" (Both 2019).