Takigawa Youhei is an eccentric person who is restless. He dreams of becoming a hero and playing with new toys. At the beginning he wanted to be the co-pilot of the new Tandem HWT model, AMTT-519MW Shikon "The Spirit of Knight", but was overlooked because of his restless behaviour.

Though he was an eccentric personality, he cares deeply for his team-mates, to the point where he punched his squad commander