Henkou Hagane is the unofficial brother of Hagane Miku and he is a Hagane/Gaidokuloid, his name means Modified steel ( 鋼音 ヘン コウ ) He is terrible with singing.
He appears different than the rest of the Haganeloids style of clothing he wears traditional or Oriental outfits from the Edo period like Gakupo and appears to be traditional Samurai along with his instrument the Shamisen.his hair color is different to Hagane Miku's silver/Gray hair his hair is rather darker green but his hair can be silver grayed, having eyes simmilar to Hagane Miku but they appear to be Bloody red when he is in his Normal and Calmed side
He is calm and appears different than the rest of the Haganeloids and Hydraloids but in reality he is Abused to Drugs causing him into insanity when the moon is red at night like a Demon similar to the Rasetsu Having him change personality affects his vocals when normal he can sing in a soft but deeper voice fit for Goth metal music but in his second personality his vocals Changes into a fast and it is fit for Screamos, having Personalities like this affects the song by modifiying the sound of Heavy metal.
Being tested from combining Gackpoid's Voice bank to KAITO's and Miku's.
- his Pure H-type Hagane Side has Sliver Hair like Hagane Miku
- his shamisen is known to be a pain in the ear