[2] Briefly residing in Tokyo, Japan for studies, he joined the baseball team in Aoba-Japan International School, and soon returned to South Korea, enrolling in Jungkyung High School [ko] as an athlete specializing in fencing; serving as a representative at the teens' fencing tournament.

He finished by overall placing 22nd and soon was offered to join project boy group JBJ, consisting of contestants chosen by the viewers.

[6] In midst of promotions with JBJ, Kwon appeared on JTBC reality program Live a Good Life alongside labelmates WINNER's Kim Jin-woo and Yoo Byung-jae.

[8] On February 1, 2019, Kwon joined as a cast member on JTBC's reality show Try It alongside labelmate Yoo Byung-jae.

"[13] The following year, he was joined by Gugudan's Mina as a modelling partner to increase synergy and strengthen the brand image.