Wang Feifei, also known professionally as Fei, is a Chinese singer and actress. She was a member of the South Korean girl group miss A from the group's debut in 2010 until its disbandment in 2017. She debuted as a solo artist in 2016 in Korea with the mini album "Fantasy". After departing Korea in 2018, Fei has been pursing her solo career in mainland China. In 2021, Fei released Chinese mini album "Fearless", an independent production by Wang Feifei Studio. She had also ventured into acting in China with roles in My Marvelous Fable and One and Only.

Meng Jia, simply known as Jia, is a Chinese singer and actress. She was a member of South Korean girl group Miss A until her contract expired in May 2016. Following the departure, Meng Jia signed with Banana Culture Music in 2016 to pursue her solo activities in China.