Maki Ohguro - Anything Goes! "Ballad" (Kamen Rider OOO)

Anything Goes! is an opening theme (OP) from Kamen Rider OOO. It was performed by Maki Ohguro. The theme was also her 32nd single in her over twenty-year-long career. The song serves as the opening theme of the 2010-2011 Kamen Rider Series Kamen Rider OOO. A balladic version of the song titled "Anything Goes! Ballad" was played during the final scenes of the finale of Kamen Rider OOO. Ohguro stated that she thought that the song would also work as a slow ballad, especially after she has been watching how the series has progressed, and recorded the song during her hiatus from releases.