A Ninja at Hogwarts {Marauders Era}

Asian-American, Kylie Sullivan, goes to Hogwarts because a death eater found out who her dad is. She is Dumbledore's goddaughter and is a-ninja in training. She's secretly training to be a ninja-wizard.
What happens when her father is marauded by a death eater?
What will happen when 4 boys find out she's a ninja-wizard I training?
What happens when she friends with the marauders?
What happens when she becomes (or if) a marauder?
Read on to find out.