Kim Jun-seo is a former member of the boy group 1the9, which was selected as 9th place in Under Nineteen under We Entertainment. He is also a member of the boy group WEi, and a member of the boy group ALPHA DRIVE ONE, who participated in the idol survival audition Boy's II Planet hosted by Mnet and was selected as 8th place.
김준서 • キム ジュンソ • Alpha Drive One • WEi • 1the9
