He is your enemy but your families are good friends

You are at Christmas dinner with your families. You come downstairs wearing a red adherent T-shirt with long sleeves that shows your shoulders, a black adherent skirt that is larger at the end, black tights and black short boots with heels. Your hair is loose and wavy. He sees you and he stares at you surprised

Mattheo (thoughts): what the hell is happening?! God, I hate her, I have to stop to look at her...