
Quick answer — Miho Arakawa voices Himari Takakura in Penguindrum, Ginko Yurishiro in Yurikuma Arashi, Shizuku Murasaki in Hunter x Hunter (2011) and 9 more characters.
Miho Arakawa voices Himari Takakura (Penguindrum), Ginko Yurishiro (Yurikuma Arashi), Shizuku Murasaki (Hunter x Hunter (2011)), 3-Gou (Penguindrum), Meiko Mochizuki (Digimon Adventure tri. Chapter 1: Reunion), Sonia Nevermind (Danganronpa 3: The End of Hope’s Peak High School - Despair Arc), Hibiki (Hakkenden: Eight Dogs of the East), Majo (Sagrada Reset) and 4 more.
Himari Takakura is voiced in Japanese by Miho Arakawa.