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Refund Sisters, comprised of South Korean singers Lee Hyori,Uhm Jung-hwa,and Hwasa, is a supergroup formed in 2020 through the MBCバラエティ番組Hangout with Yoo. The group found tremendous success with their debut single, "Don't Touch Me," achieving multiple accolades, including a Perfect All-Kill on various South Korean music charts and ranking at number one on the Gaon Digital Chart.