Climax Jump DEN-LINER form is an opening theme (OP) from Kamen Rider Den-O. It was performed by Momotaros, Urataros, Kintaros, and Ryutaros (Toshihiko Seki, Kōji Yusa , Masaki Terasoma, and Kenichi Suzumura). It was used in later episodes of the series, replacing the original theme, which it is a cover version of.