Shibata Mizuki is a kind, pure and timid-looking girl who wears eyeglasses and is a Year 3 Magic Engineering student of First High School.
He was accepted as one of the students to be placed in the Course 2 curriculum, marking the series events' start. Shiba Tatsuya enrolled at the National Magic University Affiliated First High School in April 2095 with his younger sister, Miyuki.