
Quick answer — Hiroki Nanami voices Racio in GNOSIA, Eve Louise in VISUAL PRISON, Joka in The Apothecary Diaries and 21 more characters.
Hiroki Nanami voices Racio (GNOSIA), Eve Louise (VISUAL PRISON), Joka (The Apothecary Diaries), Hibari Hokobaru (Makeine: Too Many Losing Heroines!), Saho Hirose (Go For It, Nakamura-kun!!), Hamayuu (YATAGARASU: The Raven Does Not Choose Its Master), Abyss Razor (MASHLE: MAGIC AND MUSCLES), Sei Satomi (Kageki Shojo!!) and 16 more.
Racio is voiced in Japanese by Hiroki Nanami.