上音 真白

Grade: High school 1st year student
Ability: Demon Max Air (allows Mashiro to change the temperature and the humidity of the air, can also create ice)
Precise height: 148.5 cm

Mashiro is a taciturn girl who was accepted to the school because of her scholarship. However, she rarely comes to school and just keeps staying in her dormitory room. For some reason, when she's always talking with Ayumu, she starts patting his head in the middle of their conversations.