Kamen Rider

The Fourth Man

Kaoru Kino saves Ryo Ashihara and Koji Majima from an Unknown. He tells Ryo that his sole purpose in life is to save people, either as a doctor or as Agito. But can this man, haunted by his past, really be trusted? Makoto Hikawa finally figures out that the Unknown are targeting the people that he once rescued but doesn't know why.