He never considered entering the entertainment industry and was an avid athlete throughout elementary and middle school, until an injury forced him to quit.

[8][9] He and Victon members Heo Chan, Kang Seung-sik and Choi Byung-chan were among the company's earliest batch of male trainees.

[2] The contract for X1 was originally for five years, but Han returned to promoting with Victon following X1's disbandment in January 2020 due to a vote manipulation controversy.

[13][14] In February 2020, Han held a solo fan meeting and returned to promoting with Victon for their EP Continuous, released in March.

[16][17] Han hosted his final episode of Blanket Kick on July 13, 2021, and announced that fellow Victon member Heo Chan would be replacing him as co-host.

[20] The EP peaked at number two on the Gaon weekly album chart[21] and sales surpassed 30,000 copies after the first day.