Michiru Onigawara

Michiru Onigawara is a school nurse at Tarō Sado's school who enjoys making people to perform cosplay. She is something of a sadist and she has a close relationship to Mio Isurugi that Mio calls her "Michiru-nee". She is shown to enjoy taking pictures of pretty girls, especially when they're wearing costumes she created for them. She also knows that Mio, Arashiko Yuno and Noa Hiiragi have feelings for Taro and she usually places competitions where he is the prize. Michiru is voiced by Rie Tanaka (Japanese) and Genevieve Simmons (English).