Scarlet or Ruby

You Prince Kyle Velos the crown prince of the Kingdom of Vermillion you are 20 and you are to chose a woman to marry you narrow down to two sister's Scarlet Rosen and Ruby Rosen of house Rosen they both 19 and have red hair Scarlet is the older more confident twin Ruby is the younger shy twin . You must chose one of them they both are kind and beautiful and loyal will it be Scarlet the confidant twin or Ruby the Shy twin.