The Couch Critic
Couch Critic
Trending
Movies
TV Shows
Lists
Reviews
What to Watch
Open menu
The Couch Critic
Menu
Trending
Movies
TV Shows
Lists
Reviews
What to Watch
© 2026 The Couch Critic
Home
/
People
/
RIO
Known For
Acting
Gender
Female
Career Highlights
9
Movies
0
TV Shows
Also Known As
Mary's Blood
メアリーズブラッド
りお
YAKO IKUTA
RIO
Acting
Biography
RIO, born November 3rd, is a Japanese musician and the bassist of the Japanese all-female power metal band Mary's Blood.
Movies
9
TV Shows
0
Mary's Blood The Final Day ~Countdown to Evolution~ 2022 at TOYOSU PIT
as
Bass
2022
Mary's Blood SUPER LIVE 2020 at O-WEST
as
Bass
2021
Mary's Blood 10th ANNIVERSARY LIVE ~Decade Of Queens~
as
Bass
2020
Mary's Blood MY XXXXX CONFESSiONS TOUR
as
Bass
2020
LIVE at BLITZ: Make The New World Tour 2018
as
Self - Bass
2018
Mary's Blood LIVE at INTERCITY HALL ～Flag of the Queendom～
as
Bass
2018
Mary's Blood LIVE at LIQUIDROOM ~Change the Fate Tour 2016-2017 Final~
as
Bass
2017
Mary's Blood LIVE at BLAZE ~Invasion of Queen Tour 2015-2016 Final~
as
Bass
2016
Mary's Blood Scarlet -2012 Live at O-West-
as
Bass
2013
