Jisuk 'Sight robbery, Way to work pretty Smile' on March 27, 2021 Singer Jisuk is heading to the broadcasting station to record the JTBC liberal arts program China is Klass - Questions, which was held at JTBC Ilsan Studio in Janghang-dong, Ilsan-dong, Goyang-si, Gyeonggi-do on March 26.