Delphine de Vigan

A story that focuses on the problematic relationship between Paul Marseul, owner of a prestigious vineyard in Saint Emilion and his son, Martin, who works with him on the family estate. Paul is a demanding and passionate wine-maker but is a domineering father. He is not happy that his son may one day succeed him. He dreams of a son who is more talented, more charismatic . . . and more in line with his own aspirations. (IMDb)

Emma thinks she's inadequate sexually and she decides to improve her skills.

Thirteen-year-old Lou Bertignac is a gifted but lonely child. At high school she is already in fifth grade, two years ahead of the other students, but she has no friends. At home, she does not feel too good between a father who is a stickler over principles and a deeply depressed asthenic mother. When the French teacher asks the class to write an essay and to make a presentation about a subject of their choice, Lou chooses homelessness. She hopes to be helped by a homeless girl she has noticed a