Lee Byung-hun and Lee Jung-jae were best friends for like 30 years, it was a long period and they didn't fight with each other before
they were acting really cute and playfully with each other, even in the interviews, and they noticed that some people were shipping them together, they found this (especially Lee Byung-hun) a bit funny, but weirdly comfortable, according to their actions or jokes when they were alone together
one day, they were in an interview with the director (Hwang Dong-hyuk), Lee Jung-jae was next to Byung-hun as usual, and the director decided to give them a break and he left them alone, knowing what'd happen next, the two actors stayed alone in a silent