Complete Information About All of High4 Members (Profile, Facts, Debut, and Disbandment)


Young-jun’s Profile and Facts
  • Name: Im Young-jun (임영준)
  • Stage Name: Young-jun (영준)
  • Date of Birth: August 24th, 1995
  • Place of Birth: Suwon, Gyeonggi-do
  • Height: 56 kg/5’10”
  • Weight: 56 kg/123 lbs
  • Blood Type: O Type
  • Position: Rapper, Visual, Maknae
  • Subunit: High4 20
  • Instagram: @0_jun2yo

Facts About Young-jun:

  • Young-jun originally joined the company as an actor but later joined HIGH4.
  • All the members agree that Young-jun is the best looking and most handsome in the group.
  • He is the tallest in the group.
  • If Young-jun was born again, he would like to live a carefree life.
  • Young-jun participated in the survival program MIXNINE as a trainee from Eleven9 Entertainment and was eliminated in Episode 10.

  • Young-jun’s ideal type is a girl who only looks and loves him.
  • With Myung-han, Young-jun also starred in C-REAL’s music video for the song “Sorry But I.”

Former Members of High4

Sung-gu’s Profile and Facts
  • Name: Sung-gu (성구), Reno
  • Birth Name: Kim Sung-gu (김성구)
  • Date of Birth: January 22nd, 1992
  • Place of Birth: Ansan-si, Gyeonggi-do
  • Height: 178 cm/5’10”
  • Weight: 56 kg/123 lbs
  • Blood Type: O Type
  • Position: Leader, Vocalist
  • Instagram: @reno_s9

Facts About Sung-gu:

  • Sung-gu’s hometown is on Daebu Island.
  • Out of all the members, he has been a trainee the longest, namely eight years.
  • He is best friends with IU, Thunder, and Fiestar’s Hye-mi ever since their trainee days together.
  • During his pre-debut, he participated in the musical Summer Snow.
  • He left the group in February 2017 and established a career as a solo artist under the name Reno.

High4’s Discography


Title  Release Date 
Hi High  August 27th, 2014
Blessed  February 28th, 2017
High Five – Japanese EP  February 8th, 2015
Hi Summer – Japanese EP  July 11th, 2015



  • Not Spring, Love, or Cherry Blossoms (봄 사랑 벚꽃 말고) feat. IU
  • A Little Closer (해요 말고 해) feat. Lim Kim
  • Headache (뱅뱅뱅)
  • Day By Day (비슷해)
  • Baby Boy
  • D.O.A (Dead or Alive)
  • HookGA (HIGH4 20) feat. Hwa-sa of Mamamoo
  • Love Line


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