In 2021, Kim participated in composing the lyrics of "I'm Jealous" on his label mate Punch's second mini album FULL BLOOM.[1] Later that year, Kim starred in the drama Dali and Cocky Prince, which premiered in September on KBS2.[2] He played the role of Jin Moo-hak, rich young man who has little education and no background but knows to make money[30] for which he received Excellence Award, Actor in a Miniseries at 2021 KBS Drama Awards.[4]