Harry and John Potter: Part 1

Harry is raised by the Dursleys with his twin brother, John, Dudley, and Dudley's twin sister, a muggleborn witch named Delilah. How will this change his future, and the futures of those around them? Will they change the way Harry sees the world and the threats he faces? But at the end of the day, they are all adolescents... T for violence and mentions of sex.