
Quick answer — Saku Mizuno voices Ryou Yamada in BOCCHI THE ROCK!, Jusetsu Ryuu in Raven of the Inner Palace, Rena Hananoi in Selection Project and 7 more characters.
Saku Mizuno voices Ryou Yamada (BOCCHI THE ROCK!), Jusetsu Ryuu (Raven of the Inner Palace), Rena Hananoi (Selection Project), Amelia Rozequarts (My Status as an Assassin Obviously Exceeds the Hero’s), Ayumi Sawatari (The Fragrant Flower Blooms With Dignity), Koyuki Yoshidomi (Oshi no Ko Season 2), Tio Flat (The Vexations of a Shut-In Vampire Princess), Hana Yashiki (Alma-chan Wants to Be a Family!) and 2 more.
Ryou Yamada is voiced in Japanese by Saku Mizuno.