Riko Kuramaru (倉丸 莉子, Kuramaru Riko, June 21, 1998) is a Japanese voice actress and idol from Shiga Prefecture. She was a member of the virtual voice actor idol group 22/7 under the name, Mizuha Kuraoka (倉岡 水巴, Kuraoka Mizuha).
22／7 LIVE at 東京国際フォーラム ANNIVERSARY LIVE 2021 -Day-
Goodbye, Lara
22/7 Keisanchu
22/7 (Nanabun no Nijyuuni)
Joran: The Princess of Snow and Blood
The Diary of Our Days
22/7 Kenzanchu
