DSPメディア
On January 8, 2015, DSP Media announced that Jaehyung would enlist in the army as a public service officer. On January 7, 2016, it was announced by DSP Media that Sungmin had left the group. On February 5, 2016, DSP Media announced the departure of Jaehyung and Jihu. Jihu and Sungmin would remain with the label, while Jaehyung's contract was terminated. Junghee was added to the group and A-Jax will continue promoting as a quintet. On December 11, 2016, the group held a showcase, in Tokyo, Japan, titled "A-JAX SHOWCASE [A-JAX RISING]".