BTS's Jin and B1A4's Sandeul have reunited through 'Run Jin.' The two, known as close friends in the K-pop industry, previously appeared together on the MBC variety show 'Half-star Hotel In Lost Island.'

On the 15th, the BTS official channel released a new episode of 'Run Jin,' featuring the two friends going on a sea fishing adventure.

In the video, Jin and Sandeul take on the challenge of catching fish. Impressed by the scale of the show, Sandeul exclaimed, "This is full-on entertainment. They even have drones flying," expressing his surprise.

Sandeul also shared a behind-the-scenes story about his appearance, saying, "Jin suddenly called me and said, 'Let's shoot something,' but he didn’t tell me what it was."

To this, Jin humorously replied, "That’s because I don’t know either. Even now, I still don’t know what we're doing," drawing laughter.

During the episode, a fishing mission was set, where the person who caught the bigger fish would get to go home. Sandeul, feeling uncertain, commented, "Isn't this all just luck?"

Jin responded lightheartedly, "That’s how my content usually is. When I filmed with Ji Seok-jin hyung, I won, so he had to finish the filming while I went home early. I do feel bad, but what can you do? That’s just how the content goes."

There was also a sponsored advertisement integrated into the episode, which amazed Sandeul. He said, "This is truly global. Jin is a superstar."

In a twist, it turned out that the main content of 'Run Jin' wasn’t actually the fishing mission but a collaboration shoot with the coast guard.

While Sandeul quickly adapted to the surprise, Jin was left a bit puzzled, saying, "Weren’t we supposed to catch octopus and rockfish?"

But the confusion didn’t last long. Jin and Sandeul soon found themselves participating in a life-saving training exercise. They began bombarding the police officers, who were acting as drowning victims, with questions like, "Do you know BTS?" "Do you know B1A4?" and "Who’s your favorite BTS member?"

One officer replied, "I know both BTS and B1A4. My favorite BTS member is Jin." Overjoyed, Jin and Sandeul shouted, "Save this person quickly!" and "We need to save him!" which brought laughter to everyone, including the coast guard officers.