X Nine (Chinese: X玖少年团; pinyin: X Jiǔ Shào Nián Tuán, stylized as X-NINE) is a Chinese boy group under Wajijiwa Entertainment. Consisting of eight members: Xiao Zhan, Gu Jiacheng, Wu Jiacheng, Peng Chuyue, Guo Zifan, Zhao Lei, Xia Zhiguang, and Yan Xujia, the group debuted on September 28, 2016 with their first single, "In Our Own Name" (Chinese: 以己之名; pinyin: Yǐ Jǐ Zhī Míng). They were formed through EE Media, Tencent Video, and SM Entertainment’s joint Chinese idol survival program X-Fire (燃烧吧少年).