There have been talks since popular boy group EXO debuted to release a sister group; after two years of careful planning, the time has finally come.  POLARIS (폴라리스) is a k-pop girl group produced by S.M. Entertainment. Formed in 2013 in Seoul, South Korea, POLARIS is comprised of 6 members promoting in South Korea. They debuted on 7th July 2014. Their sister group, SIGMA, is also made up of 6 members and debuted in October 2014. They promote solely in Japan.