Exploring the Hidden Past of Seo Kang-jun💋, The Most Handsome Grand Prize Winner🏆

Revealing SEO KANG-JUN's looks from 10 years ago when he was 22 💘

Ahn Eun Jin & Seo Kang Jun Rumored as Leads in KBS2’s Upcoming Romance Drama “Another Love But You”

[INTERVIEW] Seo Kang Jun & Jin Ki Joo Reveal Spy Secrets, Memorable Scenes, & More! | KOCOWA+

Operation Get Seo Kang Jun Into Student Council Starts Now! | Undercover High School EP4 | KOCOWA+

Seo Kang Jun Defends Jin Ki Joo From Aggressive Customers | Undercover High School EP1 | KOCOWA+

Seo Kang Jun Exposes The School Bully & Gets Him Expelled | Undercover High School EP4 | KOCOWA+

Seo Kang Jun Stands Up Against The School Bully 💪 | Undercover High School EP2 | KOCOWA+

Seo Kang Jun Confesses His Feelings To Jin Ki Joo | Undercover High School EP10 | KOCOWA+

The advantage of Studying English of Seo kang Jun