Two X (투엑스) covers “Problem“ and “Bang Bang“

Two X (Korean: 투엑스; an acronym for Top (T), Win(W), One(O), and ‘X‘ signifying ‘multiply) is a South Korean quintet girl group. The group consists of Jiyou, Eun, Minjoo, Surin, and Eunyoung and debuted on August 16th, 2012