HEART∞BREAKER is an ending theme (ED) from Kamen Rider × Kamen Rider OOO & W Featuring Skull: Movie War Core. It was performed by Daikichi. "HEART∞BREAKER" is the theme song of Kamen Rider × Kamen Rider OOO & W Featuring Skull: Movie War Core. * Lyrics: Maki Ohguro * Composition: Koji Kikkawa * Arrangement: Hiroaki Sugawara * Artist: DaiKichi (Daikichi～大吉～ DaiKichi)