Birthday
Jul 20
2005
20 yrs
Zodiac
Cancer
Blood Type
A
Nationality
South Korean
Debut
2026
Agency
Real Name
Park Jae-hoon (박재훈)
About
On February 8, 2022, IST Entertainment announced that they would be debuting their first group since the merger. The members of the group will then be selected through the survival show, that was then untitled. On February 11, the profile photos of the thirteen contestants, including Jaehoon, were revealed.
The first episode of The Origin - A, B, or What? was then set to air on February 26. However, the show's premiere was then postponed to March 19 as some of the contestants had tested positive for COVID-19.
Jaehoon was eliminated in episode 5 after being voted off by the judges in the survival round. On February 2, 2026, he was announced as a member of IST Entertainment upcoming boy group TUNEXX. The group made their debut on March 3, 2026 with the mini album Set By Us Only.
Other Members
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