Ruby chooses teenagers with boring lives to help them to improve thereselves. She has strict rules and ethnicity. No one is allowed to tell anything about Ruby's existence. She also won't harm anyone with her magic and disappears when someone misuses her powers. She is always with her teenager and in disguise as necklace or bracelet when she and her teenager aren't alone. She is supportive and has an eye for aesthetics. Sometimes she allows revenges as she hates unfairness.