The Korean all-female super group Refund Sisters formed in 2020 when Lee Hyori,
who had already established herself as a member of Fin.K.L and as a solo artist,
mentioned an interest in forming a girl group with other K-pop idols like the
rapper Jessi and former Mamamoo member Hwasa. Those two accepted the offer and
all three joined forces with the beloved superstar Uhm Jung-hwa to form Refund
Sisters. Like previous seasonal supergroup SSAK3, the group announced that all
proceeds from the sale of their work would go to charity. They quickly headed
into the studio and recorded the...