clc (, an acronym for "crystal clear") is a south korean girl group formed by cube entertainment in 2015. the group consists of seven members: seunghee, yujin, seungyeon, sorn, yeeun, elkie, and eunbin. their debut ep "first love" was released on march 19, 2015 with five group members: seunghee, yujin, seungyeon, sorn and yeeun. in february 2016, elkie and eunbin were added to the group.