He had supporting roles in television series such as Flower Band (2012), Descendants of the Sun, The Doctors (2016), Innocent Defendant (2017), Because This Is My First Life (2017), and Lovestruck in the City (2020–2021) Kim participated in Superstar K 3, a survival audition show for singers on Mnet.

[4] Shortly after, Kim made his debut in tvN's music youth series Flower Band, playing an ambitious keyboard player.

[8][9] In 2017, Kim played supporting roles in SBS' legal thriller Innocent Defendant, JTBC's coming-of-age drama Hello, My Twenties!

[14] In September 2020, Kim joined the cast of multi-season rom-com web series City Couple's Way of Love of Kakao TV, which will depict the real love stories of young people who live fiercely with "another me" in a complex city.

[17] In June 2021, Kim confirmed to appear in Engine On From Today, airing on KakaoTV with a total of four episodes.