Lee Ju Hyeon, known simply as Juhyeon, is a South Korean singer, dancer and member of LIGHTSUM (라잇썸). She did not attend high school but later passed the High School Graduation Qualification Examination. Before debuting, she became a trainee at CUBE Entertainment (큐브엔터테인먼트) in 2014, where she remained until her official debut in June 2021, as the group's main dancer and lead vocalist with their first single, "Vanilla". (Source: MyDramaList) Watch drama online for free.