Hiro Shishigami

Hiro Shishigami is main antagonist of Inuyashiki is sociopath teen become cyrbong along with Ichirō Inuyashiki by UFO

About
When Hiro was young, his parents divorced and his father remarried with a family of his own while Hiro living with his single mother at small apartment whom they shared share a room and slept on futons. Hiro bullied by his seniors at high school because of his background. His troubled life left him lack of his personally also frustrations over his father living with another family. People he cared was his best friend Naoyuki Ando and his mother. one evening, Hiro along with Inuyashiki Ichirou whose self-absorbed family ignored him, were hit by a mysterious explosion of extraterrestrial origin caused their bodies turned  mechanical cybrongs