CROSS GENE Hangul 크로스진 Is A Three-Member Boy Band Formed In South Korea In 2012. The Group Consists Of Shin Sangmin And Yongseok. Vocalist J.G. Left The Group In 2013 Before Seyoung Was Introduced As A New Member. Casper Left The Group In 2017 Followed By Takuya In 2018. Seyoung Left In 2020. The Remaining Three Members Are Currently Completing Their Mandatory Military Service.