Ai ga Tomaranai (愛が止まらない "Love Doesn't Stop") is an opening theme (OP) from Kamen Rider ZO. It was performed by INFIX. It is the opening theme of Kamen Rider ZO. * Lyrics: Akira Ōtsu * Composition: Eiji Kawamura * Arranged: Eiji Kawamura, (Self Cover Version: Shingo Jake Saitou and SATORU) * Artist:INFIX