Alive A life is an opening theme (OP) from Kamen Rider Ryuki. It was performed by Rica Matsumoto. * Lyricist = Ebine Yuuko * Composer = Wada Kouhei * Arranger = Wada Kouhei, Honda Katsuya, (Nippon Columbia Version: Ken Oota), (Rider Chips Version: Cher Watanabe) * Singer = Matsumoto Rica, (Nippon Columbia Version: Satomi Nakase), Rider Chips