Riko Ishino
AKA: 아우Birthday: 2000-10-29
Birthplace: Hiroshima, Japan
Home Page: https://sml-management.jp/s/sml/?ima=0614
Ishino Riko (石野理子) is a Japanese singer active as a solo artist and as the vocalist of rock band Aooo. She was also the former vocalist of Akai Kouen and a former member of the idol group Idol Renaissance.