HeeJin is the first single album by HeeJin of South Korean girl group LOOΠΔ. It was released on October 5, 2016 as the first part of the “Girl of the Month” project.

It is composed of 2 tracks, including the title track “ViViD” released with its music video.


LOONA, who have drawn attention in media as a massive-scale girl group even before debut, has been unveiled with the reveal of its first member HeeJin.

LOONA will reveal a new member every month starting in October 2016, over a time period of over a year. Each month, the girl of the month will release a single and music video that can show off her skills and character.

For the first member HeeJin, the production team MonoTree completed the track and director Jo Boem-jin and VM Project produced the music video of “ViViD” original version.[1]

‘이달의 소녀’ 첫 번째 멤버 ‘희진’의 싱글. 방송가를 통해 데뷔 전부터 초대형 걸그룹으로 주목 받았던 ‘이달의 소녀’가 드디어 첫 멤버 ‘희진’을 공개하며 베일을 벗었다.

‘이달의 소녀’는 2016년 10월을 시작으로 매달 새로운 소녀를 공개하며 총 12명의 멤버를 1년여의 시간 동안 순차적으로 공개할 예정이다. 그리고 매달 새로운 소녀는 자신의 실력과 캐릭터를 보여줄 수 있는 싱글과 뮤직비디오를 발매할 예정이다.

첫 번째 멤버 ‘희진’을 위해 뮤직 프로듀싱팀 모노트리(MonoTree)가 곡을 완성했으며, ‘조범진’ 감독과 VM Project가 “ViViD” 오리지널 버전의 뮤직비디오를 작업했다.[2]

Track list[]

  1. ViViD” – 3:21
  2. ViViD (Acoustic Mix)” – 3:36

Background and Release[]

On September 25, 2016, HeeJin was revealed through her “Seoul” teaser on YouTube.[3] Later on the 28th, a teaser for title track “ViViD” was released as well.[4] A month later on October 5, HeeJin’s music video was released via the groups YouTube channel.[5]


Promotional Images[]

The teasers don’t have any special captions.[6]

Behind the Scenes[]

Album Exclusive[]

HeeJin Attendance Card.jpg
  • Each album contained a white attendance card. If the owner of the album attended a HeeJin fansign they would have their card stamped. If they managed to get all twelve attendance cards stamped, one for each member of LOONA, then they would get the opportunity to meet all twelve members of LOONA at LOONAbirth, have their picture taken with one of the girls, and have a mini private concert.

Photo Cards[]

Each album comes with one random photocard, total of two possible photocards


Posters are limited edition and could be chosen to be purchased with the album







Songs Lyrics Composers Arrangers
ViViD GDLO (MonoTree)
Park Jiyeon (MonoTree)
G-High (MonoTree)
Choi Young Kyoung (MonoTree)
G-High (MonoTree)
ViViD (Acoustic Mix)


  • Executive Producer: John Yi
  • Creative Director: Instagram Icon.png Jaden Jeong
  • Music Producer: Instagram Icon.png MonoTree, Instagram Icon.png Jaden Jeong
  • A&R: Yoon Do Yeon, Instagram Icon.png Ryu Ji In @ BlockBerryCreative
  • Recording Engineer: Jang Woo Yeong @ doobdoob Studio; Instagram Icon.png G-High @ MonoTree Studio
  • Mixing Engineer: Joey Maclaren @ Relic Studio
  • Mastering Engineer: Instagram Icon.png Kwon Nam Woo @ JFS Master studio
  • Management Director: Kim Yeong Do
  • Management: Yoon In Ro, Lee Geun Mook, Seo Won Bae, Park Yong Tae, Song Yuri
  • Administration: Jae Kang
  • Press Publicist: HNS HQ
  • Styling Director: Instagram Icon.png Kim Min
  • Hair Director: Instagram Icon.png Lee Young Ran @ RUE710
  • Makeup Director: Instagram Icon.png Jang Yoo Jin @ RUE710
  • Music Video: Low Laundry (Instagram Icon.png VM PROJECT ARCHITECTURE)
  • Performance Director: Instagram Icon.png Faryoung Kim
  • Assistant Choreographer: Instagram Icon.png Hyungyu HG Kim
  • Dancer: Instagram Icon.png d.q agency
  • Photographer: Go Ji Yeong
  • Art Work: Studio XXX, Kim Gi Hyeok

Music Videos & Teasers[]


ViViD (Acoustic Mix)[9]

LOOΠΔ’s 1st Member ‘HeeJin’ Seoul Teaser[10]



Teaser 이달의 소녀 LOONA's 1st Member 'HeeJin' SeoulTeaser



Teaser 이달의 소녀 희진 (LOONA HeeJin) "Paris"

ViViD (Acoustic Mix)


  • As of April 2020, the album has sold 2,752 copies on Hanteo, and 7,757 copies on Gaon.
  • HeeJin is the only release from the “Girl of the Month” project to have only 1 version of the physical album.