Riven

Mamio Ogawa

aka. 緒川マミオ

Biography

Crew

Shadowverse

5.3

Uncle from Another World

7.5

Cautious Hero: The Hero Is Overpowered but Overly Cautious

8.2

Blue Period

7.1

Harmony of Mille-Feuille

7.7

Backflip!!

7.2

The Great Passage

7.1

Say "I Love You."

7.6

Ganbare Doukichan

6.8

Frame Arms Girl

4.8

Love Me, Love Me Not

7

Backflip!! The Movie

7

Kase-san and Morning Glories

7.2

Peacemaker Kurogane: Belief

6.1

The World Is Dancing

0