Jung Jae-un정재운 Born April 20, 1998 · 28 years oldSouth Korea3 series · 1 films Open in my diary BiographyJung Jae-un is a South Korean actor. TV series with Jung Jae-unBoy, with Caution2026 · Kim Ji-tae刺激サブスク2026 · Ma Min-jun (MJ)A First Love Story2021 · Min-gyu Films with Jung Jae-unA First Love Story2021 · Min-gyu