Overview: I、D、Z ～LEGEND "D" SU-METAL Birthday Festival (I、D、Z ～LEGEND "D" SU-METAL 聖誕祭; I、D、Z LEGEND "D" SU-METAL Seitansai) was a concert held on December 20, 2012, at Akasaka BLITZ in Tokyo, Japan. This show celebrated SU-METAL's 15th birthday.
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