Alain Fukami, known as Kamen Rider Necrom, is a key character in the series Kamen Rider Ghost. Originally a prince from the Gamma World, Alain starts as an antagonist but gradually becomes an ally to the main protagonists. He transforms into Kamen Rider Necrom using the Necrom Eyecon. Alain's journey explores his struggle with loyalty, identity, and understanding humanity. His character development is central to the series, providing emotional depth and a unique perspective on the conflict between worlds.