SS501 would be participate in the ‘Boys Before Flowers’ promotion campaign in Yokohama, Japan at the Japan National Hall on the 5th and 6th September.

Originally SS501 would only be performing on the 6th Septemeber. However they decided to perform on the 5th as well in order to repay their fans’ support.

This campaign production company said: “SS501 has decided to participate in this additional performance since Kim Hyun Joong acted in the drama and also the strong demand from the Japanese fans.”

Source From: MyDaily