Jang Jae-in, also known as Jang Jane, is a South Korean singer-songwriter known for her unique voice. Jang became well known after she finished third in the South Korean reality television series Superstar K 2 in 2010.

Lim Kim is a South Korean singer and a member of the band Togeworl with Do Dae-yoon. She competed in the Superstar K3 singing competition as a member of Togeworl, placing third. In 2013, Kim debuted as a solo singer, and is known for the song "All Right." She left Mystic Entertainment after her contract ended in 2016.