# Heejin

Jeon Hee-jin (Korean: 전희진, Korean pronunciation:; born October 19, 2000), known mononymously as Heejin (occasionally stylized as HeeJin) is a South Korean singer. She is a member of Loona, its sub-unit Loona 1/3, and Artms.

## Early life

Jeon Hee-jin was born on October 19, 2000, in Daejeon, South Korea, the youngest of three children with two older sisters. She graduated from Hansung Girls High School in 2019.

## Career
### 2016–2022: Debut with Loona, and Mix Nine

On September 26, 2016, Blockberry Creative announced that Heejin was going to be the first member of their upcoming girl group Loona. As part of the group's pre-debut release strategy, Heejin then went on to release her self-titled single album alongside its single "Vivid" on October 5.
In November 2016, Heejin was featured on the song "I'll Be There" on Loona member Hyunjin's solo debut album. The two also later featured on the song "The Carol", which was released as part of Loona member Haseul's debut single album in December, 2016. In January 2017, Heejin would collaborate once again with Hyunjin for the song "My Sunday" which was released as part of Loona member Yeojin's debut solo album.
On February 14, 2017, Heejin was announced to debut in Loona's first sub-unit Loona 1/3 alongside members Haseul, Hyunjin, and Vivi. They subsequently debuted on March 13 with their mini album Love & Live. In October, Heejin auditioned alongside members Haseul, and Hyunjin for the survival reality show Mix Nine. She passed the audition, and went on as a participant until the final episode, where she finished 4th amongst the female participants.
On March 30, 2018, Heejin featured on the song "Rosy" alongside her members Gowon and Hyeju (also known by her former stage name Olivia Hye), which was part of Olivia Hye's debut single album. Heejin officially debuted with Loona as a full group on August 20, 2018 with the release of their debut EP.
On November 28, 2022, JTBC Entertainment News reported that nine members of Loona, including Heejin, had filed an application for a provisional injunction to suspend their exclusive contract with Blockberry Creative, following member Chuu's expulsion three days earlier.

### 2023–present: Solo activities and re-debut with Artms

On January 13, 2023, it was reported that Heejin, alongside Odd Eye Circle members Kim Lip, Jinsoul, and Choerry, had been granted a preliminary injunction against her contract with Blockberry Creative. On March 17, Heejin signed an exclusive contract with Modhaus, an agency founded by Loona's former creative director Jaden Jeong On April 1, Heejin was announced as a member of Artms along with other Loona members Kim Lip, Jinsoul, and Choerry. She made her solo debut with the extended play K on October 31. The English and rock versions of the lead single "Algorithm" were released on September 23, 2024.

## Discography
### Extended plays

List of extended plays, showing selected details, selected chart positions, and sales figures :
| Title | Details | Peak chart positions | Sales |
| Title | Details | KOR | Sales |
| K | Released: October 31, 2023 Label: Modhaus Formats: CD, digital download, streaming Track listing "Kehwa" (개화) "Algorithm" "Sad Girls Club" "Video Game" "Nokia" "Addiction" | 14 | KOR: 25,666 |

### Singles

List of singles as lead artist, showing year released, selected chart positions, and name of the album :
| Title | Year | Peak chart positions | Album |
| Title | Year | KOR DL | Album |
| "Honestly" | 2022 | — | Non-album single |
| "Algorithm" | 2023 | 132 | K |
| "—" denotes releases that did not chart or were not released in that region. ||||

### Soundtrack appearances

List of soundtrack appearances, showing year released, and name of the album :
| Title | Year | Album |
| "Masquerade" (with Jinsoul) | 2022 | Tracer OST |

## Filmography
### Web series

| Year | Title | Role | Ref. |
| 2017–2018 | Do You Remember When We First Met? | Heejin | |
| 2023 | Convenience Store Baejjangie | Sarang | |

### Television shows

| Year | Title | Role | Notes | Ref. |
| 2017–2018 | Mix Nine | Contestant | Placed 4th | |

## Videography
### Music videos

| Title | Year | Director(s) | Ref. |
| "Algorithm" | 2023 | Kim Sunung (Kings Creative Lab) | |

### Music video appearances

| Year | Song title | Artist | Ref. |
| 2020 | "Bad" | Ben | |
| 2021 | "I Should Not Have Loved You" | DinDin, Min Kyung-hoon | |