Ikuno Crysta Kasumi

A girl whose mother is Canadian with Russian ancestry. She lived in Canada when she was little. She has a shy and mature personality. She took up an interest in photography starting in middle school, and always carries a camera. All of the photographs she takes are in monochrome. She has a frail body and does not like dustiness. She is shy around strangers and a girl of few words. She gets to know the protagonist through their shared interest in photography.