
Quick answer — Izumi Kitta voices Cordelia Glauca in Detective Opera Milky Holmes, Misaki Tokura in Cardfight Vanguard, Tomoko Kuroki in WataMote: No Matter How I Look At It, It's You Guys' Fault I'm Not Popular! and 15 more characters.
Izumi Kitta voices Cordelia Glauca (Detective Opera Milky Holmes), Misaki Tokura (Cardfight Vanguard), Tomoko Kuroki (WataMote: No Matter How I Look At It, It's You Guys' Fault I'm Not Popular!), Opal Zalpha (World War Blue), Nozomi Bitou (Hell Girl: Three Vessels), Yuuri Oreki (Chivalry of a Failed Knight), Bijin (Rin-ne 2), Qabara (SHY Season 2) and 10 more.
Cordelia Glauca is voiced in Japanese by Izumi Kitta.