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 Keisanchu
Series • 2018
22/7 (Nanabun no Nijyuuni)
Series • 2020
Goodbye, Lara
Series • 2026
Joran: The Princess of Snow and Blood
Series • 2021
The Diary of Our Days