 Though SID technically began in 2003, the band considers January 14, 2004 the date of their 'birth' as it was announced at their show at the Meguro Rock May Kan that Shinji and Yuuya would be joining as official members.With their line-up now complete, they released their first single "Kaijou-Ban"(会場限定盤) in March before traveling overseas for a two-day performance at the American convention Anime Central in May.The young band made quite an impact, gaining a number of international fans, and they have since expressed their desire to return to America once more.