On the May 13th episode of MBC's 'Radio Star' (episode 965), titled the 'Teachers' Day Passionate Mentors' special, broadcaster Seo Kyung-seok appeared alongside guests Choi Tae-sung, Kim Sung-eun, and Hwang Min-ho. During the broadcast, Seo discussed his academic background, including his history as a Korea Military Academy top student and his subsequent entry into Seoul National University. He also shared his success in achieving a perfect score of 100 on the Korean History Proficiency Test after four attempts. Additionally, the show highlighted his past career journey, while host Kim Gook-jin jokingly teased him about his unsuccessful business ventures. - Seo Kyung-seok successfully achieved a perfect score of 100 on the Korean History Proficiency Test after 4 attempts. - The broadcast highlighted Seo's notable academic history, including his time at the Korea Military Academy and Seoul National University, alongside candid commentary on his business challenges. | On the May 13th episode of MBC's 'Radio Star' (episode 965), titled the 'Teachers' Day Passionate Mentors' special, broadcaster Seo Kyung-seok appeared alongside guests Choi Tae-sung, Kim Sung-eun, and Hwang Min-ho. During the broadcast, Seo discussed his academic background, including his history as a Korea Military Academy top student and his subsequent entry into Seoul National University. He also shared his success in achieving a perfect score of 100 on the Korean History Proficiency Test after four attempts. Additionally, the show highlighted his past career journey, while host Kim Gook-jin jokingly teased him about his unsuccessful business ventures. - Seo Kyung-seok successfully achieved a perfect score of 100 on the Korean History Proficiency Test after 4 attempts. - The broadcast highlighted Seo's notable academic history, including his time at the Korea Military Academy and Seoul National University, alongside candid commentary on his business challenges.