
Quick answer — Sakura Nakamura voices Rachnera Arachnera in Monster Musume: Everyday Life With Monster Girls, Kyouka Igarashi in The World's Strongest Rearguard, Sariel in The Seven Heavenly Virtues and 15 more characters.
Sakura Nakamura voices Rachnera Arachnera (Monster Musume: Everyday Life With Monster Girls), Kyouka Igarashi (The World's Strongest Rearguard), Sariel (The Seven Heavenly Virtues), Akebi Sasaki (Girls und Panzer), Kaede Marikouji (High School Fleet), Kurumi Atarashi (Listen to Me, Girls. I Am Your Father!), Callum Norad (By the Grace of the Gods), Leila (I've Been Killing Slimes for 300 Years and Maxed Out My Level) and 10 more.
Rachnera Arachnera is voiced in Japanese by Sakura Nakamura.