Kira-Kira Butterfly

Kim Seokjin has been holding on to his job of 16 years as the CEO secretary at a company called B.I.G. His friend, Min Yoongi aka CEO of that company, decided to rank up Seojin's title to Vice President. The chairman(Yoongi father) decided to give Seokjin a test of how he can handle the job of a vice president by sending him to Japan and complete a huge project prepared by the chairman himself. But then, Kim Seokjin falls upon a problem that he thinks as a trauma which was his first love, none other than guy named Taehyung. After a while, Taehyung and Seokjin gets closer with each other and Seokjin founds out a secret as to why Taehyung flies away to Japan. Will Seokjin be able to handle the weight of that secret, and still continue to pursue for Taehyung?