
Quick answer — Asuka Oogame voices Erio Touwa in Ground Control to Psychoelectric Girl, Kirin Morino in Gourmet Girl Graffiti, Lizlet L Chelsie in Omamori Himari and 15 more characters.
Asuka Oogame voices Erio Touwa (Ground Control to Psychoelectric Girl), Kirin Morino (Gourmet Girl Graffiti), Lizlet L Chelsie (Omamori Himari), Mana Tendou (NAKAIMO - My Little Sister Is Among Them!), Rina Yunoki (Photo Kano), Rina Yaegashi (Kokoro Connect), Misono Fujii (Tamayura: Hitotose), Mayshen Torinden (Chrome Shelled Regios) and 10 more.
Erio Touwa is voiced in Japanese by Asuka Oogame.