
Quick answer — Takumi Kitamura voices Naomi Katagaki in HELLO WORLD, Mamoru Suzuhara in Seven Days War, Rion Mizumori in Lonely Castle in the Mirror.
Takumi Kitamura voices Naomi Katagaki (HELLO WORLD), Mamoru Suzuhara (Seven Days War), Rion Mizumori (Lonely Castle in the Mirror).
Naomi Katagaki is voiced in Japanese by Takumi Kitamura.