JYJ's Junsu cranked the party-meter up as he rocked the beachside club in Haeundae, Busan following his impromptu performance.

Junsu initiated a cool appearance at the club making the crowd go wild. Junsu wanted to get the city of Busan into the groove for his Asia tour concert. Accompanied by his American dance crew, Junsu put on an electrifying stage performance with a remix of "Incredible".

One of the representatives said, "We knew Junsu's tour would stop by Busan, so we booked him for this weekend. We plan to remix a lot of his dance songs. As last week marked the start of the vacation season, a lot of foreigners have been coming to the club, and when Junsu entered, the response was hot. Everyone took pictures and videos to put on their SNS."

One client of the club said "A siren went off, and he was there. I was so surprised. Oh my god! It was an incredible performance. It was all I could dream of. It was seriously an incredible night."

Busan is the fourth stop of Junsu's 'XIA 2nd Asia Tour Concert INCREDIBLE'  scheduled for this weekend.

Anyone want to party it up with Junsu?