Emerging from a childhood fascination with cartoons, he turned to acting after enrolling in the Seoul Institute of the Arts' Theater Department in 2005. Debuting at 28 with Yim Soon-rye’s Run to the South, he quickly added titles such as Way Back Home (2013) and Tazza: The Hidden Card (2014) to his filmography. A breakthrough arrived through the nostalgic series Reply 1988 (2015-2016), followed by…