鋼鉄兄弟

Formed in 1997. Metal Brothers is an duo featuring Hironobu Kageyama and Masaaki Endo. The duo is much populair by the song Brave Heart from Bakusou Kyoudai Let's & Go max. After the much population of the song. Hironobu Kageyama succeeded his Vocal style to Jam Project (2) Masaaki Endo did like Jam Project too and joined together, They are not much appreciate his duo forms from Metal Brothers when this Duo dissolved directly in 1998.