Answer
Ryoma Hoshi, the Ultimate Tennis Pro, is voiced by Akio Otsuka in Danganronpa V3. Otsuka is a renowned Japanese voice actor known for his deep, resonant voice, which he has lent to characters in various anime, video games, and films. In Danganronpa V3, Otsuka's performance captures Ryoma's stoic and enigmatic personality, adding depth and nuance to the character.