Hallyu stars Song Seung Hun, Jang Dong Gun and Won Bin was spotted at Kimpo Airport this afternoon as they boarded the same plane bound for Japan. The trio together with Lee Byung Hun (who will be taking a later flight on the morning of December 17) will be present at a fan meeting called Hallyu Four of a Kind. The fan meeting will have two sessions on December 17 at the Tokyo Dome with 70,000 expected in attendance. Tickets had been sold out as soon as they were made available, with Japanese fans highly eager to get a unique opportunity to mingle with four of the hottest actors that Korea has produced this decade at the same time. After touching down at Haneda Airport following their short flight. They were given a warm reception by waiting fans.