On May 15, 2014, Kris Wu, a Chinese-Canadian member of Exo, filed a lawsuit to terminate his contract with SM, as first reported by Chinese news portal Sina. He was represented by Cho Bum-suk, the same lawyer that handled Han Geng's case. Kris, whose real name is Wu Yifan, was quoted as saying, "The company has treated me like a machine part or as an object of control rather than presenting a vision as an entertainer." He left the group in the same month that the lawsuit was made public, while the rest of the group continued to promote their single "Overdose." On July 21, 2016, Kris officially parted ways with EXO, although his contract with SM remains valid until 2022.