
Quick answer — Nozomi Furuki voices Kotarou Kashima in School Babysitters, Chise Toudou in Princess Principal, Shima Tateishi in High School Fleet and 13 more characters.
Nozomi Furuki voices Kotarou Kashima (School Babysitters), Chise Toudou (Princess Principal), Shima Tateishi (High School Fleet), Miwa Yamamura (Barakamon), Tokie (Kids on the Slope), Chess Belle (Seraph of the End: Vampire Reign), Mizuhara (Level 1 Demon Lord and One Room Hero), Zakuro Zashikiwarashi (Scorching Ping Pong Girls) and 8 more.
Kotarou Kashima is voiced in Japanese by Nozomi Furuki.