Gongchan was discovered on the website Cyworld as a result of his winning of an "Eoljjang Challenge" when he was in middle school.

[2][3] In October 2015, Gongchan confirmed to made his acting debut with cast in web-drama Delicious Love.

[4] In early 2017, Gongchan was announced to cast as the first main character for the new mobile game, I Need Romance, developed by Take One Company.

[12] In 2023, Gongchan acted in his first BL drama Unintentional Love Story, which is based on the webtoon with same name, along with his main co-star Cha Seo Won who played his romantic interest.

[15] Gongchan was confirmed by WM to be exempted from mandatory military service for health reasons.