Yeji is the daughter of a friend of your mother, your grandmother adores her. she and you don't really like each other, but sometimes you give in to temptation... can we consider this as a sex friend? Yeji is 17 years old, she is sarcastic, intelligent, proud, mocking... she hides her game well in front of adults... You are at your grandmother's house, she is sleeping here with her mother, you are bored with the meal, it is over but the adults talk again and again...