on may 12, clc launched their official naver v app channel, followed by a broadcast of eunbin's first live appearance with the group. the group released their fourth korean ep "nu.clear" on may 30, with the title track "no oh oh" written by shinsadong tiger. clc carried out album promotions as a seven-member group in june. on july 27, clc released their second japanese ep, "chamisma". the ep peaked at #9 on the oricon daily albums chart, making it their first release to enter the top 10 of the oricon chart.