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She's In Love With The Rat by Kira

Format: Novel
Chapters: 23
Word Count: 86,809

Rating: 15+
Warnings: Mild Language, Mild Violence, Substance Use or Abuse

Genres: Drama, Humor, Romance
Characters: Lupin, Snape, Sirius, Lily, James, Pettigrew, Voldemort, OC
Pairings: Other Pairing

First Published: 11/14/2006
Last Chapter: 07/02/2007
Last Updated: 04/22/2013


Sensational banner made by azn_princess from TDA! So awesome!
Katie Potter is the seventeen year old, never been kissed, sister of James Potter and she is certain that she is in love with Sirius Black. However, fate’s winding road leads her, instead, into the arms of the last person she ever expected; a person who would make her life extraordinary at one moment... and then tear it to shreds. And he spends some of his time as a rat...

Chapter 1: What's Wrong With Me?

I'm pretty darn sure I'm not JK Rowling so I do not own Harry Potter or any of her characters.  I just own Katie and the other people you do not recognize!


Be more confident

Actually get up when the alarm goes off in the morning

Read the newspaper every day

Eat more vegetables

Lose weight before dance this winter

Be nicer to everyone

Learn how to ride a broom

Get my first kiss before I turn 18


Gossip and talk about people behind their backs

Despair over the fact that I am the sister of James Potter

Say things without thinking about them first

Obsess anymore about Sirius Black

Make Peter cry this year

Embellish the stories I tell

Eat so many lifesavers (Does one really eat lifesavers?)


A kiss seems like such a simple thing. Boy likes girl. Girl likes boy. Boy’s lips and Girl’s lips meet and everything is perfect and the world just seems right…
I walked with Mike as we exited the movie theater. He was tall, skinny, and had terribly curly hair. I desperately pulled at the “too low for me” shirt Lily had lent me for the date as we came to pause in front of the parking lot.

“Please kiss me,” I thought desperately as one of my legs starting to shake. “Let this be the night. Please kiss me.” Mike turned to me, gave me one of his dashing smiles and said,

“Thanks, I’ll see you later.” And then, he walked away towards his own car. I stood there for a few more seconds as my shirt drooped down again. I sighed the most defeated of sighs and turned in the direction of my own car…


“What’s wrong with me?” I gasped into the phone.

“Nothing,” Lily answered, trying to calm me down. “You said it didn’t even qualify as a real date anyway. He didn’t even drive you. He wasn’t thinking about kissing you. You were just two friends hanging out.”

“If I pretty he would have kissed me.”

“Oh, stop it,” she scolded back. “You don’t want to just go snog some random guy. Your first kiss should be special.”

“I just don’t want to go another year without my first,” I pulling on my ducky pjs as I hugged the phone to my ear with my shoulder. “I’m sick of hearing that little voice in my head…never been kissed! Never been kissed!”

“Katie, you are a great girl and one day this is going to happen for you,” Lily assured me.

“Oh, you know what else I realized?” I asked, flopping on the bed; my mounds of brown hair flying everywhere. “When we were sitting in the theater together I noticed that his thighs are thinner than mine!”

Lily let out a frustrated groan. “Mike is a really skinny guy!”

“Yeah but…”

“Katie! I’m not going to have the “am I fat?” discussion with you again. You know my answer is NO! You are not fat!” I smiled into the phone. I could picture Lily rolling her emerald eyes and tossing her auburn hair over her shoulder.

“Thanks,” I said gratefully. “Are we still getting together tomorrow at your house?”

“Yup,” Lily replied; I could hear the smile I her voice. “I’ll see you then but I need some sleep now. Stop worrying about this whole kiss thing. Remember that I love you!”

“I love you back!” I cried, giggling. “Bye!” *Click* Lily was gone.

I rolled off my bed and headed out into the hall and entered the bathroom. I turned on the bright bathroom light and stared hard at the reflection of the girl in front of me. My insanely thick brown hair was in its usual mass of frizz and curls. My matching brown eyes were large; under two eyebrows that, at the moment, didn’t seem to match.

I reached down into the wooden cabinet and brought out my face wash. I turned on the faucet and waited for the gushing water to turn warm. I took the hair tie off my wrist and gathered my hair into a messy bun. I bent over the sink, cupped the water in my hands, and brought it up to my face. I put a glob of the white face wash on in my hands next and started to scrub my face with it. It burned slightly; the blue specks in the white glob were supposed to. I scrubbed harder and harder until I could feel the pores on my skin opening and breathing. I scrubbed away the night with Mike and the kiss I had dreamed about.

I got rid of the burning substance by flinging more water on my face. I reached for my blue towel, hanging on a brass hook on the back of the wooden door, and crammed it to my face; turning off the faucet with the other hand. I dried my face, pressing the towel to my eyes, my nose, my lips.

I put the towel back on the door, and looked once again at the reflection in the mirror. My eyes were now slightly bloodshot; some of the face wash had crept in them. The pimples on my face that were normally not very noticeable were practically glowing with their redness and the longer hairs of my eyebrows were sticking out and up and strange and awkward angles.

Having already brushed my teeth before Lily called, I walked back to my room and collapsed in my bed, my face still stinging. I turned off the small purple lamp next to my bed and shut my eyes; allowing my mind to wander. No matter what I did, somehow I still kept thinking about Mike…a missed opportunity.

Moisture gathered suddenly in my eyes. I didn’t know if my eyes were watering from irritation, or if they were true tears. My mind kept asking,

“What’s wrong with me?”


A shrill, high-pitched crying and wailing awoke me late at night. I squinted at the clock and it read 2:34. I groaned. Charles was crying again. I love my baby brother more than the world, but his adorable little crying in the wee hours of the morning was beginning to drive me crazy. I heard my mother shuffling down the hall into the nursery. I picked my head up and listened as the crying soon became just small whines, and then it disappeared completely. I placed my head back down on my thin pillow and was about to drift back off to sleep when I noticed headlights glaring in the window. I slid out of bed and walked over to the window and saw James’ blue truck pulling into our driveway. I couldn’t believe it. This was the third time James missed curfew this week. His curfew was extended to one-o-clock last weekend, and he was still breaking the rules. I smiled, in spite of myself, as I watched him get out of the car and head for the front door. Finally, maybe James was going to get in trouble for something. Mum had warned him about missing his curfew last time. I heard James come in the front door as I went back to bed.


The sun was streaming in my window as I awoke next morning. The sun burst in through the glass and pushed my eye lids open. I yawned heavily and stretched as I untangled myself from my sheets. I stumbled to the bathroom, used it, gave my teeth a quick brush, and ran a comb through my hair. My stomach gave an almighty rumble as I headed for the stairs.

I found James already at the kitchen table, five boxes of cereal on the table.

“Hey,” he called as he poured a little bit of each cereal into the humongous bowl in front of him.

“Hey, any cereal left?” I asked, laughing. At that moment, the back door of our kitchen burst open and Sirius Black came inside, smiling. I gasped, and attempted to fix the lopsided bun at the top of my head. He gave me a nod and wink and shook James’ hand.

“Hey man,” said in greeting. He sat down next to James and they both began attacking the boxes of cereal in front of them.

I prepared a bowl of cereal for my self, using skim milk. (Very good.) My mother breezed into the room a moment later. She looked perfect, makeup on, hair styled, clothes bright and cheerful.

“Good morning everyone,” she sang. I muttered a morning and tucked my head down, feeling like a turtle wanting to crawl into its shell. I kept staring at the pale milk in my bowl as Sirius started to speak.

“Mrs. Potter,” he exclaimed. “You look ravishing. I am honored to eat breakfast at your house, honored to even be let in the front door.” I rolled my eyes in absolute disgust. Mum just giggled like a school girl and ruffled his elegant black hair.

“How are you this morning Katie?” she asked next.

“I’m feeling a little nauseous,” I answered, staring straight at Black. He winked at me again and took another humungous spoonful of cereal. The milk didn’t get all the way in and it started to trickle down his chin. Yuck. Sometimes I don’t understand why I like him so much.

“And how are you this morning James?” she asked next. James swallowed the cereal in his mouth and smiled.

“Fantastic,” he replied, positively beaming at mum. What a suck up. He noticed me glaring at him, and smiled even wider.

“So,” I said, taking up my own smile, “Late night last night James?” Mum’s hands came to my shoulders.

“James has already been punished for missing curfew,” she said, happily. Then she whispered in my ear, “Did you brush your hair this morning? It looks like it’s full of tangles.”

“No,” I lied. The truth was I had combed my hair. I felt terrible that my brushed hair looks unbrushed. Mum has a way of making me feel just lovely in the morning. No wonder I need to become more confident. Mum squeezed my shoulders and went over to the sink. I patted at my hair as I looked at James’ grinning face. Already been punished? What did she do to him? Decrease his number of meals a day from ten to nine?

I turned my gaze to Sirius. He had all the milk of his face now. How lame is it to have a crush on my brother’s best friend? I don’t need a crush. I need to find a good, respectable relationship. He then caught me looking at him.

“Stop staring so hard,” he laughed. “You’re hurting me.”

“Don’t flatter yourself,” I answered, darkly. “It’s called daydreaming.” Sirius smiled brilliantly.

“Daydreaming about me,” he said, running his hand through his dark hair. I was about to snap back at him, but mum started talking first.

“Charles and I are going to make a run to the store. Do you kids need any other clothes for school?” James and I shook our heads no. Mum grinned, list and pen in hand.

“James, I’m going to get you more socks.”

“Thanks mum,” he answered.

“And Katie…” mum said, chewing on the end of her pen. “I think you probably need more underwear. My face started to burn. “What bra size are you again? A…”

“MUM!” I howled. James and Sirius cracked identical grins. Mum didn’t wait for an answer. She tilted her head, looked straight at my shirt, and wrote something on her list. Horrified, I tucked my arms firmly across my body.

“It’s nothing to get embarrassed about sweetie,” mum said. Of course it’s not embarrassing for her. She has perfect sized breasts. Of course she’s totally comfortable. I would be too, if I was that size. Mum pecked me on the top of my bushy head, and took off.

James flicked a piece of cereal at me to get my attention. He and Sirius were wearing expressions of unattainable joy.

“Hey Sirius, what bra size do you think I am?” James asked. Sirius put his hand under his chin and stared critically at him.

“Hmmm…” I didn’t wait around to hear the result. I just chucked my cereal-filled spoon at James’ head and stalked off to the family room to watch some TV.