Invincible Youth is a South Korean variety show which aired its first season on KBS2 from October 23, 2009 to December 24, 2010. Season 1 featured seven girls from K-pop idol groups wherein they experience how it is to live and survive in the Korean rural outdoors. It started its second season on November 12, 2011 featuring eight girls.

Park Hyo-jin, better known by her stage name Narsha, is a South Korean singer and actress. She is best known as a member of the South Korean girl group Brown Eyed Girls. Her stage name, Narsha, is derived from the term na-reu-sha, which means 'to fly up' in Middle Korean and was given to her by a former manager.