Good Manners
As Boas Maneiras (original)
Clara, a lonely nurse from the outskirts of São Paulo, is hired by mysterious and wealthy Ana to care for and protect her son after he is born not looking like a human.
Starring Isabél Zuaa, Marjorie Estiano, Miguel Lobo, Cida Moreira, Felipe Kenji, Nina Medeiros, Andréa Marquee, Germano Melo, Eduardo Gomes, Neusa Velasco
Watch "Good Manners" on Mubi released in 2017. It's a fantasy and music movie, and has a rating of 6.7 out of 10 from Imdb which is usually fine for this kind of movie.