Satsuki Miyanoshita is the main protagonist of the anime series 'Gakkou no Kaidan' (Ghost Stories). She is a brave and resourceful schoolgirl who, after moving to a new town, discovers her late mother's involvement in sealing away spirits haunting the local school. Satsuki leads her group of friends in confronting various ghosts, using her intelligence and her mother's diary to solve mysteries. Her determination, courage, and compassion make her a strong leader throughout the series.