I don't own any of the character's of Teen wolf... Sadly :(((

This is my new story! I hope ya'll like it! Like I said in the little note up there.. I can only update once every week or so.. But umm yeah.. This story is based in Season 2.. Cassie as you know is Isaac's little sister. She is only 15 years old.. She is just a year younger then Isaac. Their father is already dead and Isaac is not being charged for the murder.. I really hope you guys enjoy this. I bet ya'll don't want me to be rambling soo... ENJOY!

This story is rated M for the language and sexual actives that will be happening in further chapters.

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Casandra slowly walked up to the Beacon Hill's High-school. She knew that this was gonna be different then her other school in Ireland. She slowly pushed open the doors to the Hugh-school and walked in, keeping her gaze on the floor. She didn't look up at anyone or anything as she walked to the office

"U-Uh..My name is Casandra Lahey and I.. I'm new.." She smiled at the Office attendant.

"Well welcome to Beacon Hills High-school. We heard that you would be attending here from your.. Mother?" The older woman asked.

"My Aunt." Cassie corrected her.

The Office attendant nodded and started to look for the school papers "Here you go." The woman said, handing Casandra's school schedule over the counter.

"Thank you!" Cassie smiled before walking out of the office, looking down at the small map that showed her where her locker was. She scratched her neck as she walked down the hall, glancing up at the locker numbers as she walked "Where are you.." She mumbled, looking back down at the paper and furrowing her brows.

"Need help?" A voice asked behind Casandra.

She turned around and furrowed her brows at the man "Yes.. That would be great.." She tilted her head at him 'Why do you look so.. familiar?' She thought, handing him the paper with her locker number on it

"Casandra... Lahey?" The man whispered "C-Cassie?" He looked up and smiled "I.. I haven't seen you in 11 years.." He whispered.

Casandra stood in shock before hugging him tightly "Isaac! Oh my god!" She held onto his hoodie, not wanting to let go of him, the feeling as if she let him go he would disappear

"It's me.." He mumbled, tears in his eyes as he held his little sister "I've missed you so much." They both said at the same time. Casandra giggled softly, nuzzling his neck "I.. Could I stay with you?" She asked, pulling away and wiping under her caramel brown eyes.

Isaac nodded quickly before he froze "I'm living with a friend.." He smiled, playing with her shoulder length brown hair "You've grown so much.." He whispered, still not believing that his sister was in Beacon Hills.

"Do you think I could live with you guys? I heard about dad.." She growled "I can't believe he did that to you.." She crossed her arms, glaring at the ground.

" I don't think Derek would mind having you at the house.." He pulled his sister into another hug "It's okay.. I'm better now." He chuckled "Your locker is right over there..Next to Stiles Stilinski's locker." He laughed, helping his sister over to her locker "Now.. I when school is done you are to go to the lacrosse field. After lacrosse practice Derek will be here to pick us up." He explained, Cassie nodded the whole time "Love ya big bro.." She kissed his cheek before watching him walk away.

-After the last school bell-

Casandra walked towards the field, smiling when she saw her brother come running out onto the field "GO ISAAC!" She shouted, laughing a little before she sat down next to a red haired girl.

"Hello. I'm Lydia Martin. And you are?" She asked, her hand held out towards Casandra.

"Casandra Lahey.. Nice to meet you!" She smiled at Lydia "I'm new to the school.." Casandra shook Lydia's hand, glancing over at the field

"I can tell because of your accent.. Irish?" Lydia asked, tilting her head

"Yep! I actually was born here in Beacon Hill's but my... Dad sent me to live with my Aunt over in Ireland. I just turned 16 last month so my Aunt let me come back to Beacon Hill's so I can be with my brother!" She smiled brightly, pushing some of her hair behind her ear.

"So you're Isaac's sister?" A voice said

"Yes!" Casandra nods, looking over at the brown haired girl.

"My names Allison Argent." She smiled, shaking Casandra's hand "I was new to the school last year!" She sat next to Casandra, looking over at the field "Number 11 is my boyfriend." Allison said, pointing to a kid on the field.

Casandra followed her Allison's finger and saw the guy, tilting her head and saying "He has an uneven jawline.."

Allison tilted her head and then laughed "Yeah.. He does!"

All three girls slowly fell into a conversation about Ireland and how beautiful the scenery is there. When practice was over and Isaac had changed his clothes, he came running over to Casandra "Come on Sis." He smiled, grabbing her hand and pulling her towards the school parking lot.

When they got to the parking lot Casandra let out a small gasp "That's one nice car.." She whispered, walking up to a Camaro, crouching down and looking at the rims "Who in the world owns this baby?" She asked, looking up at Isaac.

"I do!" A deep voice said from behind Casandra.

She turned around very slowly and gasped "Y-You own this?" She asked, looking up at the man who owned the handsome voice.

"Yes. Is that a problem?" He asked, crossing his arms and looking over at Isaac

"No! Not at all.." She smiled, standing up and running over to Isaac "Is that Derek?" She asked softly.

"Yes. I'm Derek Hale." Derek smirked, looking at the two of them "And you're Casandra Lahey.

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Please leave reviews! That would help me with my writing! Umm also if you guys could follow my book or even follow me that would be very greatful! Thank you for reading!