
Quick answer — Katsuki Murase voices Masa in My Bride is a Mermaid, Mokichi Robinson in KENGAN ASHURA Part I, Homare Nekozuki in Inu X Boku Secret Service and 4 more characters.
Katsuki Murase voices Masa (My Bride is a Mermaid), Mokichi Robinson (KENGAN ASHURA Part I), Homare Nekozuki (Inu X Boku Secret Service), Joutarou Kawasumi (Inu X Boku Secret Service), Three (Hamatora), Koushirou Hyuuga (Kamisama Dolls), Konrad Marbourg (RADIANT).
Masa is voiced in Japanese by Katsuki Murase.