A first-year student at Third High along with Airi and Shiori, she is known for using outdated words when she speaks. She is from the Tsukushiin family, who are masters of Shinto-type Ancient Magic and their lineage can be traced all the way back to the great Shinto clan, the Shirakawas. She is adept at using Ancient Magic that involves water spirits. Being highly intuitive, she is able to read people’s minds. With her cheerful and positive personality, she always knows how to get the Third High team pumped up. She is confident in her magic skills and is genuinely looking forward to facing her rivals in the Nine Schools Competition.