Kakusei Heroism ~The Hero without a Name~

Kakusei Heroism ~The Hero without a Name~ is the second opening theme for Darker than Black (ダーカー・ザン・ブラック -黒の契約者-), the 2007 anime produced by Bones. Performed by An Cafe, the song was released as a single on November 21, 2007.

Written by the band, with lyrics by vocalist Miku, the track blends pop rock and punk elements typical of An Cafe’s visual kei style. The single reached No. 12 on the Oricon Weekly Singles Chart in Japan.