peoplepill id: one-1
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The basics
Quick Facts
A.K.A. 정제원
From South Korea
Gender male
Birth 29 March 1994
Age: 26 years
The details

Jung Jae-won (Hangul: 정제원; born March 29, 1994), better known by his stage name One, is a South Korean rapper, singer, and songwriter. He debuted in 2015 as a member of the hip-hop duo 1PUNCH but later moved to YG Entertainment "following the group’s disbandment in September that year". He is also known for his appearances on the fourth and fifth seasons of Show Me the Money.


2015–2016: 1PUNCH, Show Me the Money, and move to YG Entertainment

One started his musical career as part of the hip-hop duo named 1Punch with Samuel under a collaboration between D-Business Entertainment and Brave Entertainment. They debuted on January 23 with the release of "Turn Me Back", which is the title track of their album The Anthem. On September 21, it was reported that YG Entertainment had scouted One. The exclusive contract with YG Entertainment came about after his participation in the fourth series of Show Me the Money. He was a member of "Team Zipal" under team leaders Zico and Paloalto until his elimination in the sixth episode. A year later, he returned and participated in the fifth series of the show. This time, he was a member of the AOMG Team under the leadership of Simon Dominic and Gray. He placed tenth in the season.

In 2016, he also made appearances in the music videos for MOBB's "Hit Me" and Lee Hi's "My Star".

2017: One Day

On July 11, One officially debuted as a solo artist under YG Entertainment with the release of his first EP, One Day. It was also reported that he became the first male solo artist to debut from YG Entertainment in 14 years since Se7en's debut in 2003.


Single albums

Title Album details Peak chart positions Sales
One Day
  • Released: July 11, 2017
  • Label: YG Entertainment
  • Formats: CD, digital download
  • KOR: 8,551


Title Year Peak chart
Sales Album
As lead artist
"Comfortable" (맘 편히)
(feat. Simon Dominic & Gray)
2016 1
  • KOR: 750,349+
Show Me the Money 5
"Gettin' by" (그냥 그래) 2017 59
  • KOR: 34,949+
One Day
"Heyahe" (해야해)
  • KOR: 20,880+
"Peep" (힐끔힐끔)
(with Dok2 & The Quiett)
2015 N/A #Jeilx
"I'm Not The Person You Used To Know" (니가 알던 내가 아냐)
(with Simon Dominic, G2, & BewhY)
2016 2
  • KOR: 751,667+
Show Me the Money 5
"—" denotes releases that did not chart.



Year Network Title Notes
2015 Mnet Show Me the Money 4 Contestant
2016 Show Me the Money 5 Contestant
2017 OnStyle Get It Beauty 2017 Flower Boy Rapper Special (with Song Mino, BI)
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