Action-ZERO 2010 is an ending theme (ED) from Kamen Rider Den-O. It was performed by Yuto Sakurai & Deneb (Yuichi Nakamura & Hōchū Ōtsuka). This song is a balladic arrangement of "Action-ZERO" that is used as the theme song for the film Episode Red: Zero no Star Twinkle. The single includes solo renditions by Yuichi Nakamura as Yuto Sakurai and Hōchū Ōtsuka as Deneb.