Oh Jae-hyeong majored in art at the university. After graduation, he presented his paintings in individual exhibitions under the titles Emotion of -8.5 (2011) and Cosmos (2013). Oh began working in video in 2015, when he directed Gangjeong Mr.Cucumber (2015), The Lump (2016), Blind Film (2016), A Spring Day (2018), and Moscow Chicken Stew (2019). His work has been invited to numerous film festivals, including the Jecheon International Music Film Festival, Seoul International NewMedia Festival, and Indie Forum. Recently, the director has shifted his focus to audio-visual performances that combine video and piano.