Who is Maria-nunziata from Difficult Loves and what is their importance?

Maria-nunziata appears in Riviera Stories. She is a thirteen-years-old, and her name refers to the Annunciation to the Virgin Mary, which symbolizes her innocence. Maria-nunziata has had a strict Catholic upbringing, and she is ignorant of life outside the Catholic Church. A poor peasant, she is one of fifteen children. She works as a kitchen maid at an estate, washing dishes and serving food.