"Club NEXZ" is the first pre-debut reality show of JYP boy group NEXZ where the 7 members learn about what it takes to be an idol.
So Ken (蘇 建; born September 13, 2006), known professionally as So Geon (ソ ゴン; 소건) is a Japanese-Korean singer under JYP Entertainment. He is a member of the boy group NEXZ.