"Climax Jump" is the 13th single by the Japanese group AAA, released by Avex Mode on March 21, 2007.

The song was composed by Shuhei Naruse with the lyrics by Shoko Fujibayashi.

The song is the first opening theme for the 2007 tokusatsu series Kamen Rider Den-O.

[1] On April 10, 2008, it was eventually certified Gold by the Recording Industry Association of Japan (RIAJ) for its physical shipment of 100,000 copies.

[citation needed] The song itself has received multiple covers and remixes by the show's cast and other franchise-affiliated bands, including Toshihiko Seki, Koji Yusa, Masaki Terasoma, and Kenichi Suzumura as their respective imagin' character.