
Quick answer — Yuuko Natsuyoshi voices Kaguya in Cosmic Princess Kaguya!, Nana Futami in A Mangaka's Weirdly Wonderful Workplace, Rio Seibu in SHINEPOST and 19 more characters.
Yuuko Natsuyoshi voices Kaguya (Cosmic Princess Kaguya!), Nana Futami (A Mangaka's Weirdly Wonderful Workplace), Rio Seibu (SHINEPOST), Sasha Necron (The Misfit of Demon King Academy: History’s Strongest Demon King Reincarnates and Goes to School with His Descendants), Himeko Mashima (SHOW BY ROCK!! Mashumairesh!!), Tsubaki Kunoichi (In the Heart of Kunoichi Tsubaki), Yaniko Satou (Chainsmoker Cat), Yuyu Shirai (Assault Lily BOUQUET) and 14 more.
Kaguya is voiced in Japanese by Yuuko Natsuyoshi.