Rika Ishikawa, is a Japanese pop singer and TV/radio hostess, associated with the Hello! Project banner and best known as a former member of the pop group Morning Musume. She was the leader of the Japanese pop idol trio v-u-den until June 2008. She is working as a soloist, a member of the Japanese pop idol group Ongaku Gatas, in the pop duo Hangry & Angry as Angry, and as a current member of Dream Morning Musume.