Book One: Mischief Managed
20 parts Complete Kathleen Eleanor Lupin was the younger Twin sister of Remus Lupin and ever since the day she started attending Hogwarts with her brother, she managed to become friends with Sirius along with the others and ever since that day, she began to feel something towards Sirius that she didn't understand at first but as time went on, those feelings had grown and she began to understand them more as she had gotten older, but one day, that was about to change when Sirius does something about it and because of that, the both of them had gotten closer to each other as the years went by and things change during those times when she was left alone in the end because of something that had happened and from that moment on, she took care of the kids hoping that this wouldn't last forever and they got to be a family once again.
DISCLAIMER: I DO NOT own any of the Character(s) or Dialog(s) that is involved with Harry Potter except for the Character(s) and Dialog(s) that I have made up myself for this story as all Credit involving Harry Potter goes to the amazing and talented J.K. Rowling and the people who have written and made the books and Movies.