210602 정식의뢰 신인걸그룹 LIGHTSUM 아이유언급

https://laputa74.tumblr.com/post/653207949047726080/210602-%EC%A0%95%EC%8B%9D%EC%9D%98%EB%A2%B0-%EC%8B%A0%EC%9D%B8%EA%B1%B8%EA%B7%B8%EB%A3%B9-lightsum-%EC%95%84%EC%9D%B4%EC%9C%A0%EC%96%B8%EA%B8%89