Listen to Double-Action Climax Form (From ''Kamen Rider Den-O & Kiva: Climax Deka'' Theme Song) online. Double-Action Climax Form (From ''Kamen Rider Den-O & Kiva: Climax Deka'' Theme Song) is a Japanese language song and is sung by Mu-ray and Bic Curry Akatsuka. Double-Action Climax Form (From ''Kamen Rider Den-O & Kiva: Climax Deka'' Theme Song), from the album Netsuretsu! Anison Spirits THE BEST -Cover Music Selection- TV Anime Series 'Kamen Rider Series'' vol. 1, was released in the year 2016. The duration of the song is 4:13. Download Japanese songs online from JioSaavn.