Sunmi - also known as Mimi, her American stage name - of Wonder Girls will end her activities with her last stage on the 20th. Wonder Girls will be attending POP-CON at the Nassau Coliseum of Long Island, New York as one of the performers. They will perform their last Nobody with Sunmi at this concert, alongside the other American artists on the list, including Justin Bieber, Megan Martin, Days Difference and Selena Gomez. Sean Kingston is also expected to make a special appearance at this glittering event. Sunmi will be pursuing her education back in Korea from March, with new member, Hae Lim filling in for her. Good bye, Sunmi, and wishing you the best of luck in your education.