This article is about a/an actor in the Kamen Rider Series.

Eiji Akaso (赤楚 衛二 Akaso Eiji) is a Japanese actor and model who portrayed Hiroki Nagase in the second season of Kamen Rider Amazons and Ryuga Banjou in Kamen Rider Build.

Akaso was briefly a member of the male music group BOYS AND MEN, a group that former Gaim-star Yutaka Kobayashi is a prominent member of.


Akaso began his modeling career in his teens under the stage name Mamoru Akaso. In 2010, Akaso was a member of BOYS AND MEN, but left later on.




  • In a Kamen Rider Build press conference, he said that his favorite rider is Kamen Rider Kuuga and his grandfather bought him a Kuuga transformation belt on his birthday.

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