Nenette et Boni(1997)

Boniface, aka Boni, is a 19-year-old pizza chef in the port of Marseilles. Since the death of his mother, he refuses to have anything to do with his father, Felix, a lampshade salesman who has raised Boni's 15-year-old sister, Nenette. When she shows up on his doorstep--the lonely stronghold he inherited from his mother--Boni's life is transformed; and the sibling duo, who quickly become soul mates, must learn to come to terms with their intense need to find refuge in each other.