The Dark Potter

what if harry had a sister who is a year younger? what if she was a slytherin who fell for ginny but felt a strong pull to the dark side? and what if the only one who could save her was also on the dark side as her godmother? well Ashlynn Potter is all of those things watch as she goes through school as a slytherin and falls for a certain redheaded blood traitor.

*I DO NOT OWN HARRY POTTER OR ANYTHING EXCEPT ASHLYNN AND A FEW OTHERS THAT IM GONNA BE MAKING FOR THIS STORY* *if you want your character to be put into the book message me and i will try to fit them in all i need is their house name affinity(death eater, order of Phoenix or DA) and their wands details*