In Japan at the sold out Osaka Castle Hall on the 26th, the cast of IRIS held an IRIS Dramatic Live Stage and Concert for 20,000 fans. All the leads from the Korean drama Lee Byung Hun, Kim Tae Hee, Jung Joon Ho, Kim Seung Woo, Kim So Yeon, and T.O.P. were in attendance. They answered personal questions as well as questions about IRIS, even reenacted some action scenes. Fan accounts state that Lee Byung Hun and Kim Tae Hee also sang for the crowd.
IRIS OST artists Baek Ji Young, Kim Tae Woo, and Big Bang were also there to perform their songs from the soundtrack. Baek Ji Young and Kim Tae Woo sang their hits “Don’t Forget” and “Dreaming Dream.” Big Bang reportedly sang three songs, “Gara Gara Go,” “Hallelujah” off of the OST, and their new song for the Japan release of IRIS “Tell Me Goodbye.” Big Bang fans were thrilled to see them perform "Tell Me Goodbye" live for the first time. 
Fans will have another chance to attend the IRIS Dramatic Live Stage and Concert on June 1st at the Saitama SuperArena in Tokyo. It is estimated that attendance will range about 60,000 people.
Credits to seoulbeats
