Trinity Walburga Black. Sirius Black's younger sister. In her mother's mind, she's a useless piece of trash who should've been a boy. She was told little girls should be seen and not heard. So she listened to her mother. Became a shell of the person she used to be. James Fleamont Potter was a boy who was always heard. Whether it was standing up to a teacher who gave way to many assignments, or just telling a story, he made sure everyone in the castle would hear him. So when he heard about his best friend's little sister, he was shocked. How could someone purposely make themselves not heard? So he investigated to find his answer.