Everything You Should Know About Girlgroup 4TEN


Find Out More About Idol Group 4TEN

4TEN is a three-member girl group formed by Jungle Entertainment. 4TEN initially debuted as a four-member idol group but due to several line-up changes, 4TEN settles as a three-member girl group. 4TEN’s leader and main vocalist Hyeji is well known among idols due to her vocal talents, while Hajeong and Hyejin are famous as some of the most beautiful members of an idol group.

4TEN’s name came from potential. It means that each member is eagerly showing the fans their music potential. 4TEN debuted with the single “Tornado” and they aspire to show their talent to K-Pop fans.

In this article, Channel Korea will talk about idol group 4TEN. So, stay tuned!

Hyeji’s Profile


Birth Name: Jung Hye-ji

Stage Name: Hyeji

Date of Birth: April 2nd, 1992

Height: 166 cm

Weight: 47 kg

Position: Main vocal, group leader

Blood Type: AB

Zodiac: Aries

Chinese Zodiac: The year of the monkey

Instagram: @jjeonghyeji


  • Hyeji is part of the original line-up of 4TEN
  • She is so kind and nice that other members think of her as dumb sometimes
  • Other members make fun of her by saying that she looks like a chicken when she removes her makeup
  • Her favorite food is eggs, especially fried eggs
  • Hyeji’s birthplace is Goyang, South Korea
  • She loves writing music, listening to music, making food, bungee jumping, and snowboarding
  • She failed during the audition for the Mix Nine idol group
  • Initially, she was expected to be the main vocal candidate for Mix Nine. She was well known for her exceptional voice. Her vocal talent stood out but MixNine management considered that her voice didn’t suit the group’s concept
  • Before debuting with 4TEN, she sang and featured in M.I.B’s second album under the name of Hime; however, her vocal skills didn’t match the atmosphere of the single
  • She is a close friend of Black B’s Park Kyeong. She joined 4TEN on June 19th, 2015

Hyejin’s Profile


Birth Name: Baek Hye-jin

Stage Name: Hyejin

Date of Birth: November 21st, 1996

Height: 165 cm

Weight: 46 kg

Position: lead dancer, face of the group, maknae, sub vocalist

Blood Type: O

Zodiac: Scorpio

Chinese Zodiac: The year of the rat

Education: Dongdeok All Female University,

Instagram: @jin_iny21


  • Her birthplace is Sacheon, South Gyeongsang province, South Korea
  • She is also one of the original members of 4TEN
  • She failed the audition for the Mix Nine idol group
  • She loves using aloe for moisturizing her skin after taking off her make-up
  • Members revealed that she uses up to eight different types of aloe for her skincare routine
  • She loves dancing, listening to music, watching dramas, and eating
  • She loves to eat tteokbokki and sweet potato pizza
  • Due to her pure and childlike face, she was selected as the face of 4TEN. Many fans think that she looks better in real life. Hyejin and Heeo are popular among fans due to their beautiful and pure faces.

Heeo’s Profile


Birth Name: Kwak Hee-oh

Stage Name: HeeO

Date of Birth: May 2nd, 1994

Height: 169 cm

Position: Main dancer, main rapper, vocalist

Blood Type: B

Zodiac: Taurus

Chinese Zodiac: The year of the dog

Education: Kyeongin All Female University,

Religion: Christian

Instagram: @heeox_x


  • She failed the audition for Mix Nine
  • HeeO loves watching movies and fashion shows
  • She loves making clippings from fashion magazines
  • Her most favorite moment with fans is when fans brought self-made dessert like macaroons and cakes for her
  • HeeO was born in Anyang, South Korea
  • Her hobbies are reading blogs, reading books, watching movies, shopping, and watching fashion shows
  • She made a featuring performance in Kangnam’s “Chocolate”
  • She is a close friend of Laboum’s Soyeon
  • HeeO was a trainee that came from the training process of Jellyfish and SS Entertainment
  • Her nickname is fashion coordinator and dance master

Past Members



Birth Name: Tham Gong Ju/Esther Tham

Stage Name: TEM

Nationality: United States of America

Date of Birth: February 13th, 1990

Height: 165 cm

Weight: 47 kg

Position: Main rapper

Blood Type: A

Zodiac: Aquarius

Instagram: @temgongju

Twitter: TEMgonju

SoundCloud: thamgongju


  • She can speak three languages
  • She is currently working on her own rap album
  • TEM participated in several MIB’s singles because of her rapping skills
  • She left 4TEN, got married, and gave birth to a daughter. She uploaded a picture of her daughter on her social media account
  • Her daughter’s name is Olivia
  • Her husband is a Korean musician and she participated in the promotion of her husband’s album
  • She is a close friend of Monstax’s Juheon. She collaborated with Juheon on one of her collaboration singles. She also considers him as her younger brother
  • TEM is the youngest in her family. She has an older brother and an older sister
  • One of her languages is English
  • She loves cleaning, cooking, watching movies, and listening to music



Birth Name: Kang Yoo-jin

Stage Name: Eujin

Date of Birth: December 3rd, 1993

Height: 161 cm

Weight: 48 kg

Position: Main Dancer, rapper, visual, sub vocal

Blood Type: B

Zodiac: Sagittarius


  • After leaving 4TEN, she maintains a good relationship with 4TEN members. Her picture could be seen several times on the official 4TEN Instagram account
  • She loves listening to music, shopping, and exercising
  • Eujin left 4TEN on June 19th, 2015.



Birth Name: Lee Ha-jeong

Stage Name: Hajeong

Date of Birth: September 23rd, 1997

Height: 169 cm

Weight: 46 kg

Position: Subvocal, Maknae

Blood Type: O

Zodiac: Libra

Instagram: @0ijeonghaha_


  • She has talent in playing musical instruments. She is able to play the guitar, piano, and flute
  • She planned to debut with NeonPunch but in the end, NeonPunch debuted without her
  • Currently, she isn’t related to any idol group but she continues to practice dancing and singing. On her Instagram account, she keeps posting her recent activities
  • Hajeong left 4TEN in 2016
  • She loves visiting cosmetics shops and collecting cosmetics
  • Her specialties are making video messages and playing basketball
  • She loves watching late-night movies in theaters



Birth Name: Heo Yoon

Stage Name: Yoon

Date of Birth: September 23rd, 1994

Height: 168 cm

Position: Lead vocalist

Blood Type: B

Zodiac: Libra

Instagram: @uni_923


  • She has the same birthday as Hajeong
  • Her hometown is Busan, South Korea
  • She joined 4TEN on June 19th, 2015
  • Yoon can play the Korean traditional music instrument Gayageum
  • She loves organizing things, shopping, and watching movies
  • She is into nail art, acting, and traditional Korean dance
  • Yoon made a special appearance on Episode 19 of Criminal Mind
  • Since October 2016, she can’t participate in 4TEN activities due to having an operation