On February 19th, SS501's Kim Hyung Joon officially kicked off his solo activities through a special showcase in Tokyo in celebration of his upcoming album release. Held at the Shinagawa Prince Hotel, the idol established his official Japanese fanclub at the event, and revealed show clips from his musical, "Caffeine". During the second part of the showcase, Kim Hyung Joon captivated his 3,000 fans at the event by delivering charismatic covers of EXILE's "Tada Aitakute", SS501's "U R Man", and many more. A representative of AVEX praised, "For four hours, Kim Hyung Joon presented perfect stages.  We are looking forward to his solo album becoming a mega hit in both Korea and Japan." S Plus Entertainment added, "We are also currently planning his solo album showcase for Korea.  An Asian tour is also in the works, and the schedule will be revealed soon." The idol returned to Korea on the 20th and is finalizing his preparations for his solo activities. [gallery link="file" columns="4"] Source + Photos: Star News via Daum