[citation needed] On February 28, 2016, Kim was enrolled at Dong-ah Institute of Media and Arts, majoring in acting and K-pop.

[8] Kim went on hiatus on June 6 of the same year due to mental health issues,[9] returning nine months later for the release of the group's first studio album, Invitation.

[15] On March 4, 2020, Playlist Studio's CEO, Park Tae-won, announced that Kim would be the male lead of the web drama Twenty-Twenty.

On March 17, tvN released the full main casts for new drama, Bulgasal, which Kim was selected to be part of.

[25] He played as Nam Do-yoon, a high school student who constantly follows Dan Hwal and has an upbeat appearance.

[29] In February 2023, it was confirmed that Kim would release his fourth EP Blank Page in March, but was moved to April.

[citation needed] On April 14, Kim took on the role of Baek Woo-hyun, the main character in the healing romance drama, Finland Papa.

The concert was held in 5 Asian countries, starting in Seoul, followed by Kuala Lumpur, Malaysia, Tokyo, Japan, Taipei, Taiwan, and Bangkok, Thailand.

[37] On December 4, Kim starred in LG U+'s Night Has Come, in which he was Nominated Best New Actor at the 3rd Blue Dragon Series Awards.

[41] On May 27, Kim's agency Blitzway Studios announced his Japan Fancon “AWAKEN” along with a poster, he visited major cities Tokyo and Osaka.

[46] After completing his training, he serves at the Military Band and Honor Guard Battalion of the Army Personnel Command in Gyeryongdae [ko].