Already talented and famous KPOP stars are recombined to form the ultimate new girl group like puzzle pieces. Each competition is expected to bring fresh musical resonance and lively performances.
Lee Seung Hyeon, currently known as Riina, is a former trainee under WM Entertainment. She was a competitor on Produce 48. However, she ranked #73 on episode 5 and was eliminated. She later signed a contract under GLG as is now a member of the girl group H1-KEY.