Takaoka Mirai

Side character of episode 1
Since the village is a special environment with no school whatsoever, Mirai came here to fulfill her duty as a private teacher.
Has a hobby of collecting books and putting them in order. As time passes by, a small library was formed inside an abandoned school building in the village, and it was named "Mirai" after her. After Kuriyama's incident at the village, Mirai suffered from a mental breakdown as the library with most of the books inside being completely destroyed. Not long after, having fulfilled her duty, she also left the village.