Jeon Hee Jin is the first member of the South Korean group, LOOΠΔ. On September 28, 2016, Blockberry Creative released a teaser for the first music video, Hee Jin’s "ViViD". On October 2, Blockberry Creative announced through Naver that they would be debuting their first girl-group through an 18-month long pre-debut project. Following this announcement, teasers were released for the first member, Hee Jin, as well as the teaser for an additional music video for the acoustic mix of "ViViD", set in Paris, France. On October 4, the music video for "ViViD" and its accompanying acoustic mix were released.
LOONA’s upcoming first world tour takes the group to 9 different cities across the United States and kicks off in Los Angeles on August 2, 2022