Hi guys, Welcome to the Advanced Video Search Engine, and you are watching 열심히 사니까 실패하는겁니다. 인생은 '더시스템' 해야 합니다.. That video is uploaded by 라이프해커,자청 at 2024-05-13T03:47:51-07:00. We are promoting this video only for entertainment and educational purpose only. So, I hope you like & enjoy it. [mWyIfkHR0z0]