
Quick answer — Ryouta Oosaka voices Ryouta Watari in Your lie in April, Eijun Sawamura in Ace of the Diamond, Keiji Akaashi in HAIKYU!! LAND VS. AIR and 111 more characters.






















































Ryouta Oosaka voices Ryouta Watari (Your lie in April), Eijun Sawamura (Ace of the Diamond), Keiji Akaashi (HAIKYU!! LAND VS. AIR), Kaname Isaki (A Lull in the Sea), Zen Wistaria (Snow White with the Red Hair), Satan Jacob (The Devil is a Part-Timer!), Nagate Tanikaze (Knights of Sidonia), Ryuu Yamada (Yamada and the Seven Witches) and 106 more.
Ryouta Watari is voiced in Japanese by Ryouta Oosaka.