the five original members of clc (seunghee, yujin, seungyeon, sorn and yeeun) made their first appearance as back-up dancers for g.na in 2014. they also modeled for the uniform brand smart, featuring in a promotional music video with the boy groups got7 and b1a4. before their official debut, the group began to gain publicity through street performances that raised money for children with disabilities. these featured on their online reality show "clc's love chemistry".