Z" no Chikai is the fifteenth single by Japanese idol group Momoiro Clover Z,
released on April 29, 2015. The title track is the theme song of the 2015 DragonBall Z: Resurrection 'F' ... The "Z" Edition includes a cover of Dragon Ball Z's
original opening theme song, "Cha-La Head-Cha-La" by Hironobu Kageyama,
and an ...