Park Sun-young, known professionally as Luna, is a South Korean singer, dancer, model, and member of the k-pop girl band f(x). Apart from her group's activities, Luna has established herself as a musical actress, notably through her participation in the original and Korean versions of stage musicals including "Legally Blonde", "Coyote Ugly", and "High School Musical on Stage!". In September 2019, Luna left SM Entertainment and joined Humap Contents for her solo activities. In February 2021, Luna established her own entertainment agency called Grida Entertainment.