Yoo Byung-jae’s Sensitive Reactions to Girlfriend Jokes Draw Laughter  조선일보Yoo Byung-jae, Who Is Dating Yoojung Ahn, Remains Silent When Asked If He Invites His Girlfriend Home (‘Omniscient Interfering View’)  매일경제Yoo Byung-jae adopts actress-style diet and routine after dating – CHOSUNBIZ  ChosunbizA 10 Billion KRW Sales Breakthrough in 3 Years… Yoo Byung-jae Thrives as Company CEO  매일경제Yoo Byung-jae’s Firm Hits 10 Billion Won Sales, GD-IU Content Pitch  조선일보