HeeJin (Hangul: 희진) born Jeon Hee Jin (Hangul: 전희진) is the first revealed member of LOONA. She was born on October 19, 2000, in Bundang-gu, Seongnam, Gyeonggi Province, South Korea.
- "HeeJin" (2016)
- "Like A Star (이 밤이 지나면)" (as Excellent Vibe) (2018)
- "Come to Play (놀러와)" (as Our Home) (2018)
|2017||Do You Remember The First Time We Met?||-||Jeon HeeJin (Main)|
|Do You Remember The First Time We Met? 2||-|
|2018||Do You Remember The First Time We Met? 3||-||Jeon HeeJin (Minor)|
Music Video AppearancesEdit
|2016||"Around You Original Film Ver."||HyunJin||Cameo|
|2017||"Everyday I Love You (feat. HaSeul)"||ViVi||Minor|
|"Singing in the Rain (feat. HeeJin)"||JinSoul||Rapper|
|"Around You Woomanna Special Ver."||HyunJin||Minor|
|2018||"Egoist (feat. JinSoul)"||Olivia Hye||Cameo|
- She was the first member to be revealed on September 26, 2016. For this reason, she is also the only member to not have a "Who's the Next Girl?" teaser.
- HeeJin's role models are Shim Kyusun (Lucia) and Girls' Generation Taeyeon.
- She's the sixth youngest in LOONA, and the third youngest in LOONA 1/3.
- Her zodiac sign is Libra.
- She is represented by a rabbit and the color bright pink.
- She released her solo single "HeeJin" on October 7, 2016.
- She likes animals but she is allergic to animal fur. However, she is afraid of pigeons.
- Her nickname is Heekkie, which is a combination of Heejin and Tokki (rabbit in Korean).
- She was featured in a special version of JinSoul's Singing in the Rain.
- She was a contestant in the trainee reality show MIXNINE. Her final ranking was #4.
- She recited the poem ‘Wind is blowing, someone is calling my name’ by Heo Eun Sil for weekly poem 4.