Author's notes:

Sirius, Remus, Tonks, and Hedwig are alive, some for reasons in the story and some because I just like the character too much.

Harry is turned to Harriet, because it fits better for the story, and fits in with the female protagonists of the Women of the Otherworld series.

This story is somewhat influenced by Kin, a Bitten and Harry Potter crossover by Sparks94, especially the beginning, but the updates of that story are very slow and I didn't really like where it was going so I thought I'd try it for myself.

This is my first story, and I don't know how much I'll be able to update this, I just couldn't get it out of my head.

The story begins during Stolen, but I don't know where I'll take it from there, the Wizarding War has ended, Sirius was found innocent after the Battle of the Department of Mysteries, and Harriet has been living with him since then. I haven't really thought about relationships yet, but I'm thinking about pairing Harriet up with Nick.

I watched the TV series before I read the books, and I haven't read all of them yet, so if I mix the show and the books sometimes please say so (just don't give spoilers for any of the books after stolen, because I'm currently reading Dime Store Magic).

English isn't my first language (I'm Dutch), but I'll try to keep spelling and grammatical mistakes to a minimum.

Lastly, as I'm sure you all know, I am neither J.K. Rowling nor Kelley Armstrong, all the rights belong to them and I don't make any money off this story (I think, like I said it is my first story, but everyone says they don't so I'll just believe them).

Chapter 1: Changes

My day had been going great so far, I'd been growing restless lately so Sirius had contacted Remus, asking if he could come over and we went for a walk around London. After the walk, we had dinner at a muggle restaurant (which I paid for, because even after all this time they still didn't understand muggle currency). After we ate, we went back to Grimmauld Place and played a few rounds of exploding snap, after that, I went to my room, while Sirius and Remus went out, which they had planned to do tonight anyway.

That's when my day stopped being great. I'd been itchy all day, but I'd been able to ignore it. Now however it grew to unbearable levels, what was worse was that it didn't go away anymore. It was like I had gotten a haircut, but instead of a couple of hairs that got stuck under my clothes, there were a couple thousand of them.

Sadly instead of getting less noticeable, it got worse. A lot worse. I was reading an article about the Death Eater trials that were still going on when the itching stopped, only to turn into pain, not the 'Ow, I stubbed my toe' kind, but real pain. Every muscle, bone and even hair on my body was aching. It was comparable to the cruciatus curse, what was worse, however because this felt like it was actually happening to me. What scared me however, wasn't that I was in pain, or that I didn't know why I was in pain. What scared me was that I could see my body was changing too. I had some experience with Polyjuice potion but while that may have been uncomfortable, this was different. First off, I didn't know what was causing the transformation. Secondly, while Polyjuice was uncomfortable, this was actual pain. I don't know when I started screaming, but when I did, I couldn't stop myself. I could see my hand narrowing and my nails lengthening. My fingers were getting shorter and my thumb seemed to be moving back. While I was watching my hands, I could feel the same thing was happening to my feet. As I saw hair started growing from my hands, I felt my legs move under my body lying on the floor, I also felt my feet growing longer. My back seemed to be changing to, and my eyes suddenly lost their ability to process certain colors. I heard my screaming change to a mix between whining and growling, and I could feel my face was changing. Then it all stopped, just as suddenly as the pain began, it vanished. Leaving me exhausted, confused and terrified. That's when I heard the front door open.

Sirius P.O.V.

After Remus left I went straight home from the Leaky Cauldron. Harriet's birthday was tomorrow so I wanted to decorate the house as a surprise. It was her first birthday after the war and I wanted to make it extra special, she deserved it after everything she did.

When I came into Grimmauld Place, all seemed normal, I hung my coat on the wall and went into the kitchen for a glass of water when I heard Hedwig screeching in Harriet's room, sounding distressed. As I went up the stairs to see what had upset her, I could hear heavy breathing, almost like panting coming from the room. I could also make out whining and scratching when I reached her door. I opened it to reveal a dark room, only lit by moonlight. While I was looking for the source of the strange sounds, I saw Hedwig staring at the back of the bed, which I noticed was empty. Thinking the sounds were probably what had upset her, I went closer to check it out. As I walked closer I heard the whining again, it sounded like an animal, which was also strange, because since Buckbeak went back to Hagrid, the only animal in the house was Hedwig. I was about to turn on the light when I saw an enormous black animal laying curled up behind the bed. When it saw me, it let out a long whine and tried to crawl further behind the bed. It seemed to be afraid, but I didn't know whether that was because of me or something else. I called for Harriet to ask if she knew what it was doing here, but I got no answers. When I turned on the lights, I could see it was some type of canine, but I didn't know any dog that got this big, even my animagus form wasn't this large. When I took a good look I saw it wasn't a dog, but a wolf. Most people probably wouldn't notice immediately, especially because it had dark fur, but most people don't turn into dogs either. It also helped that you had to learn the difference between wolves and werewolves for your Defense Against the Dark Arts O.W.L.S.

It truly was a gorgeous animal. Then I looked into its eyes and my heart stopped. Those were Harriet's eyes, I'd be able to recognize them anywhere. They were intelligent and very human eyes. I could also clearly see the fear in them. I didn't understand. The eyes were Harriet's, but she wasn't an animagus I'd have known If she was, it also wouldn't explain why she, because there was no doubt in my mind that this was Harriet, was so clearly terrified.

I knelt down so I was at eye level with her and I tried calling her name, but she either couldn't hear me or she just didn't understand. "Harriet" I tried again, slower this time and now I saw a flash of recognition. She let out another whine and I went over to her and wrapped my arms around her. I needed to calm her down, then I could figure out what had happened.

Harriet P.O.V.

When I heard the front door open, I didn't know what to do. I was afraid, and I didn't know what was happening to me, so I let instinct take over and hid. I could hear someone moving around downstairs. It was probably Sirius coming back from his night out with Remus. Since Sirius' was found innocent after the Department of Mysteries, the two of them went out at least once a week. Although Remus had had to back out of it a couple of times after Teddy was born.

I was snapped out of my thoughts when I heard Sirius come up the stairs. Still dazed, I crept back a little further, so I was hidden behind the bed. I still didn't know what had happened to me, but I knew I had turned into some type of dog. In my confusion, I let out a long whine, which only further scared and confused me. Then I heard the door open, I could see the light coming from the hallway, and I heard Sirius walking around. What was he doing? Why did he come to my room, had he heard me? What would he do if he saw me? This last thought nearly made me panic, what would he think of me if he saw me? Would he recognize me? Would he throw me out? The rational part of my brain knew that wouldn't happen, but I couldn't stop the whine coming out of my mind when he noticed me, I also tried to move further back, but there wasn't any room left. For a moment he looked stunned, he was probably wondering what I was doing here. I heard him say something, but I didn't understand what he was saying. Then he turned the lights on.

For a couple of seconds, he just looked shocked. Then he started looking me over, probably still trying to figure out why I was here. When he reached my eyes, I saw both recognition and confusion. He knelt down and I heard him say something again, but I still couldn't understand him. He said the same words again, slower this time and I tried focusing on them. "Harriet", I whined to tell him I understood, and to tell him how afraid I was. Then he came over, wrapping his arms around me, pulling me closer, saying things which I couldn't understand, but I knew he was trying to calm me down. That's when I started shaking, relieved that he still loved me, because even tough that rational part of me knew he loved me, a part of me wondered how he could still love me after whatever had happened to me. I felt myself calm down a little and I realized I could smell him, his scent calming me down a lot. He said something different now, I looked at him, and he said it again: "wait here". When he knew I understood he walked out of the room.

Author's notes:

Did you like it? Do you have any questions or suggestions? Please feel free to say so. Like I said this is my first story, so any feedback is welcome.

Like I said at the beginning, I have no idea how often I'll be able to update this story, especially because I have my exams coming up, but I'll try to keep updating regularly because I really enjoyed writing this.

Thank you for reading, I hope you enjoyed it as much as I enjoyed writing it.