Chihiro Matsubara is the human identity of Kamen Rider Amazon Neo Alpha, a character from the series 'Kamen Rider Amazons.' Chihiro is a mysterious young man who becomes involved with the Amazon project and is later revealed to be a unique Amazon-human hybrid. As Amazon Neo Alpha, he possesses enhanced combat abilities and plays a central role in the story's exploration of identity, morality, and the blurred lines between humans and monsters. His journey is marked by inner conflict and the pursuit of truth.