Ello! Sorry about the late update.. I've been dying because of my cramps. Stupid periods XD So I've been listening to 80's music while I wrote this.. so I hope y'all enjoy this chapter! I think this was possibly my longest chapter yet..

Cassie laid on the ground, her knees up to her chest as her breathing was uneven "No. No!" She screamed, not even caring that she was naked "DONT TOUCH ME!" She growled, glaring up at Derek as he reached down to help her up.

"Casandra.. Listen to me.. I'm not gonna hurt you." He crouched down, his voice was gentle "I'm just gonna take you to the couch and help you.."

She let out a whimper "That's what he said.. He said he wouldn't hurt me.." She slowly brought her legs down, her left arm automatically covering her breasts "But he lied.. And did this.." She whispered, pointing to the 5inch cut marks on her hips "With a pencil. A fucking pencil!" She snapped

She could hear three gasps behind Derek but ignored them "Who did this?" Derek asked, reaching froward and slowly touching her right hip where the faded cut was "My uncle.. The one in Ireland did it.." She murmured, closing her eyes a little as Derek traced the marks

"How long ago?" Isaac asked, taking a step forward only to take two steps back as Derek turned and flashed his red eyes at Isaac

"I think around.. 6 months.. I can't really remember. He was drunk and my aunt found out just last month what he did to me." She sniffled, bringing a shirt into her lap "She saved her paychecks and I saved my money that I got from dancing- No it's not dirty/stripper dancing!- I'm a dance instructor.. I teach 5 year olds how to dance.. Mostly how to become a ballerina.." She pulled the shirt on with one arm, growling when it got all tangled up "Can someone help me here?"

Derek grabbed her arm that was covering her breasts while his other hand helped pull the shirt over her head "There.." He softly smiled, standing up and helping her up, pleased that the shirt went down to her mid-thigh "Everyone out.. She needs to change." He said, turning on his heel and pushing the two betas and human out of the bathroom so Casandra could change. Once they were back in the 'living room' he sat down and turned to the three boys in the room "You three.. Don't ever talk about what just happened in there. And also behave... She just had a panic attack .. And from what I'm guessing was the memories of her uncle doing that. Isaac keep an eye on her at all times. And also.. Don't scare her because we don't need her freaking out and having another panic attack." Derek looked at the bathroom door as he said that, only turning to glare at Stiles as he went to say something.

Casandra slowly walked out of the room, her hair pulled back in a ponytail, a pair of black men's pj pants, the shirt she put on in the bathroom and a brown alligator tooth necklace "Are you okay?" Isaac asked before Derek could say anything. Cassie nodded, rushing over and hugging Isaac as tightly as she could "I love you Isaac.." She mumbled softly, kissing his cheek before turning to the others "My names Casandra Marie Lahey! But you can call me Cassie, Cas.. But you can't call me Sandra or Casipie." She smiled at the them, jumping onto the couch and putting her feet on Derek's lap

"So what did ya buy?" She asked, tilting her head at Derek

"Chinese food." Derek looked at her feet, then up at Casandra, then back at her feet

"Yes, big guy.. They're my feet.. Do you have a foot problem?" She teased, wiggling her toes, smiling up at Derek. Derek shook his head, leaning forward and took a box of the Chinese food, leaning back against the couch as he ate. Cassie shook her head and took a box, cuddling into her brothers side while her feet still sat in Derek's lap "So.. I'm Scott.." A boy with short black hair said. Cassie smiled up at him. "And I'm Stiles." The boy with a slight buzz cut said "Ello!" She smiled, shaking their hands as she ate her food "Now what do y'all do while you eat?" She asked, tilting her head at them.

Isaac bit his lip, looking over at Scott and Stiles "Well.. We eat while we talk.. Then we just play a couple games.." Casandra tilted her head back, looking at Isaac with a confused smile "Like... Twister?" She asked, a small excited tone in her voice "Because if it's games like that.. Then I want to join in." She took a bite of Isaac's food with a wink "Do you have anything to drink, Derek?" She asked, wiggling her toes again with a small giggle

Derek blinked at her and nods "Yeah.. I think I have a couple cans of .." He furrowed his brows "Stiles show her where the fridge is.." Derek said with a strong authority in his voice, putting his empty food box on the coffee table in front of them. Cassie smiled and stood up, wiping her mouth before slightly bouncing while she waited for Stiles to stand up.

Stiles grinned, grabbing her arm as he walked towards the small kitchen in the loft "So you've had it pretty rough.." He frowned, leaning down and getting her a pop "How long has it been happening?" He asked softly, leaning against the counter

"UMm.. Well that was the first time he used a weapon to hurt me.. But let's see.. It's been 11 years now." She frowned "He only used words first.. I was only 7 years old when he started to use his hands.." She jumped onto the counter, opening the pop and taking a sip "The pencil was the first actual weapon he used on me.." She frowned.

Stiles nods, patting her knee "Just know that.. We'll protect you." He smiled, opening his own pop "You guys all seemed quite surprised with the way Derek was acting in the bathroom.. Why?" Casandra asked, kicking her feet "Well.. Derek isn't the type of guy to be soft.. There's things that he should tell you. He's wasn't always so.. Dark and mysterious.." He chuckled softly, knowing that the three people in the other room could hear him as he spoke "Just..when you get to know him better. Ask him about his past."

She nodded, patting Stiles' hair and kissed his cheek "Thanks.." She smiled before jumping off the counter and walking out of the room "Everyone's done eating.. And we set twister up. We also invited a couple other people over for you to meet.." Isaac smiled

"Who? Wait.. Is Allison and Lydia coming over?" She asked, tilting her head and then gasped "SCOTT!" Cassie shouted. Scott shot up in his spot, looking at her with wide eyes "What?" He asked, confused and scared "Aren't you Allison's boyfriend? You're number 11 on the lacrosse team, right?" She tilted her head at him "Yeah.. I am.." He blushed a little, scratching his neck "And yes they both are coming.." He smiled slightly, turning around and standing on one side of the twister pad "Come play!" He smiled, motioning Isaac, Stiles, and Casandra over.

They all ran over to the pad, Scott standing across Casandra and Isaac stood next to Casandra but across from Stiles. Scott tossed Derek the spinner and smiled "Casandra's going first!" They all shouted together, making Casandra groan.

About a half way through the game Boyd, Erica, Lydia, and Allison came into the loft. Casandra was on the bottom of the pile of body parts. She had her arm wrapped around Scott's leg, her head was under Stiles' crotch. Scott was hovering over Stiles while his face was over Isaac's bum. Isaac got lucky and was off to the side of the board, only having his leg interlaced with Casandra's leg. Stiles' face was a over Casandra's bum "Casandra.. Left leg blue.." Derek said, sitting next to the game mat while watching closely for any cheaters. Casandra let out a groan, the only blue was between her right hand and Isaac's left foot, and the only way to do that is to lift her head up and move her body a little "Fuck you Derek." She glared, lifting up her head a little to hard, making Stiles yelp out in pain as her head collided with his dick.

Casandra felt the pressure of three guys fall on her as she moved her leg over to the blue "CANT. BREATHE!" She shouted, watching Isaac and Scott roll off of her and Stiles. Stiles was whimpering like a puppy from the pain in his lower region "You okay?" Cassie softly asked, feel him start to collapse onto her "No. I'm not! I. Can't. Feel. My. Balls." He groaned, fully collapsing on top of her, resulting in Casandra face planting the mat

"Casandra cheated! She hit me in the balls!" Stiles shouted, rolling off of Cassie, holding his lower region quite tightly. Casandra sat up, rubbing her nose a little "Says the guy who bit me in the back." She glared, punching him in the side of his arm, standing up "Why the hell did you.. /bite/ me?" She asked, walking to stand next to Isaac and Derek "Because?" Stiles shrugged, looking up at Casandra who walked over to the new crowd of people who sat on the couch "Hey Lydia and Allison.." She smiled before turning to the unfamiliar faces "I'm Casandra Lahey.. But call me Cassie or Cas.." She smiled, holding her hand out to them.

Boyd reached out and smiled up at her, shaking her hand "Names Boyd." He smiled before pulling his hand back and glancing at Erica. Erica shook Cassie's hand before pulling her into a small hug "I'm Erica!" She smiled, slightly sniffing Casandra's neck, making it unnoticeable and then smirked up at Derek. "So you're the sister Isaac wouldn't shut up about.." Erica laughed. Casandra nods, blushing a little and glancing at Isaac "Yeah. I'm his little sis." She smiled, feeling her brother walk up behind her "God.. Not knowing if he was safe or not those 11 years was scary.. And my aunt wouldn't let me call him at all.." She frowned "But finally.. She told me that Isaac still lived here.." She glanced around the room "And yeah.." She bit her lip, leaning into Isaac as he hugged her tightly "I feel happy again.. Like nothing can make me sad again.." Isaac said, chuckling a little as he lifted Casandra up and spun her around while she laughed, throwing her head back and smiling.

Derek watched from a small distance, seeing how everyone was getting along with Casandra. He felt a sudden connection with the younger girl when he had seen her looking at his car but didn't know what it was. He felt his heart start to beat quickly as Casandra's laughter hit his ears. Dear god, he sounded like love struck puppy. No pun intended.

But Derek knew in that moment.. That he possibly had found his mate.

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Derek might have found his mate :O Was this chapter worth the wait? Thank you to the people who have left me reviews :3 Reviews are fantastic XD If you have any questions about this chapter message me And I'll answer them at the beginning of the next chapter :)

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