NessieBooEvans requested this chapter, in all honesty I was hoping someone would ask for this scenario because it's one that I really wanted to write, so here it is!

Guests were filing out of the Stilinski-McCall house, with Melissa stood by the back gate to say goodbye as they left.

When the last of them had disappeared, she shut the gate with a sigh
"Anyone else as tired as I feel?" she questioned, smiling as she wandered over to where her husband and their sons were beginning to tidy up.

"No way! Today has been awesome, thanks Mom!" Sophia grinned, throwing herself on her Mother
"I just can't believe my baby is 18! I remember the day I found out I was pregnant with you"
"So do I" John cut in "I passed out and hit my head on the counter, we were in the ER for hours"

The family chuckled at the memory as Melissa stood running her fingers through her daughters hair. Scott and Stiles watched, smiling fondly at the pair.

"Hey, look, why don't you two go inside and relax for a bit, me and Stiles and Soph can finish up out here" Scott offered

"Bud have you seen the state of this yard?" John laughed
"We'll be fine, besides you two have done so much today already"
"He's right" Sophia agreed, pecking her Mom's cheek "Go, we'll be in soon"

John took Melissa by the arm "How did we end up with such great kids?"
"Great parenting?" she suggested with a smirk as the two of them headed inside.

…

Scott turned to his brother and sister "The light's fading so we need to do this quick"
"Aye aye captain" Stiles mocked, saluting as he winked at Sophia who giggled.

The three got to work, moving round the backyard with trash bags picking up the rubbish left behind by their guests.

Sophia stopped to pick up a wallet, opening it to see if there was any ID inside.

"Soph what're you doing? Quit stalling and help us" Scott called out to her
"I'm just looking at this" she muttered distractedly
"Hey birthday princess, the guy has a point" Stiles joked, tying up his trash bag and chucking it on the pile forming by the back gate.

"Will you two stop moaning at me!" she grumbled "I'm gonna take this inside to Dad"
"And not come back out again I bet" Scott challenged
"So what if I don't? It's my birthday"
"We promised Mom and Dad we'd clean up out here"

Stiles coughed slightly "Technically bro, you promised them"
"So you wanna give up too?"
"Did I say that?"

As the siblings continued to bicker, no-one noticed the back gate open and Liam walk in. He heard the arguing and began to panic, watching as Sophia stood with her arms folded defensively with the two boys in front of her.

Liam surged forward, almost tripping over the mound of trash bags as he went.

"Don't yell at her, it was my fault" he blurted, awkwardly rubbing the back of his neck.

As he looked up his heart sunk at the wide eyed look on Sophia's face as she stared at him. Scott and Stiles were eyeing him with suspicion and confusion too as he stood there.

"What are you talking about? What was your fault?" Stiles narrowed his eyes
Scott glanced back at Sophia whose cheeks were reddening.
"What. Happened?" he growled, an idea already forming in his mind.

"I err- spilled some punch earlier, stained the tablecloth" Liam lied
"The tablecloths were made of paper" Scott retorted, folding his arms
"He left the back gate open when he got to the party, panicked the dog would escape" Sophia cut in

Stiles stared at her "We don't have a dog. Soph what-"
"-Cat" Liam interrupted, she meant cat"
"We don't have one of those either"

Sophia sighed, pinching the bridge of her nose as she closed her eyes
"We kissed" she admitted, not daring to look up.

A silence filled the backyard, an uncomfortable silence, like one from those western films John watched where the tumbleweed blew across the deserted Cowtown.

'Tumbleweed would definitely be blowing through our backyard right about now' Sophia thought to herself.

"You kissed?" Stiles repeated after the long suffering silence. His voice was tight and Sophia could tell he was straining not to yell.

"Err yeah" Liam confirmed "That-that would be the truth…I did spill punch on the tablecloth though, that wasn't a total lie"

Sophia finally allowed herself to look up, willing Liam to stop talking as she got the impression he was making matters worse.

"Look you guys, I get that this probably has weird pack meanings that you wanna make a big deal out of, but I'm a big girl now, I'm 18 and to be honest it's none of your business"

The girl figured about 3 seconds after she spoke that perhaps she had gone too far.

"None of our business?" Scott choked "You're our baby sister, and he!" He pointed to Liam "Is practically our brother, your brother! When did this even happen?"

"When you and Stiles were trying to get everyone to play the party games…we were in the treehouse"

"Not the treehouse" Stiles groaned "Soph c'mon really?"
The girl rolled her eyes and turned back to Scott.

"If being in the pack means that I can't talk to who I want…then I want out"
"Last time I checked talking doesn't require shoving your tongue in someone else's mouth" Stiles commented dryly
"There was no tongue" Liam put in hastily, shrinking away as Scott turned to glare at him.

Stiles began to speak before his brother could start yelling again though.
"Wait, you said it wasn't her fault…does that mean she didn't want to kiss you? Did you force yourself on our sister? In our treehouse!" his voice began to rise.

"Stiles shut up about the stupid treehouse" Sophia snapped "And no he didn't force himself on me! For God sake guys he's one of your best friends how could you think that of him?"

"Well we thought he was one of our best friends, until he went and kissed our sister" Scott snarled
"It was more of a peck than a kiss" Liam flustered
"What's wrong with a nice friendly handshake?" Stiles wanted to know
"Or even a light hug?" Scott continued "Didn't have to kiss her"

Liam opened his mouth to speak but Scott shut him down
"Just…go, go home Liam and we'll see you tomorrow, we need to talk to our sister"
"Guys it really was innocent, it only lasted like 3 seconds I swear!"
"Liam" Stiles sighed wearily "Just go okay?"

The werewolf nodded dejectedly, mumbling goodbye to Sophia and her brothers before taking off back the way he'd come.

Once Liam had disappeared, the boys turned back to their sister.

"Was he turning? Wolfing out?" Scott wanted to know
"No, why would he? It wasn't even a full moon tonight" Sophia frowned
"So you weren't acting as his anchor then?"

The girl shook her head silently, chewing her lower lip determined not to cry as she sunk down onto the bench.

"Did you kiss him back?" Stiles asked quietly, his arms folded
She shrugged
"What does that mean?"
"Yes…yes I kissed him back, and then he pulled away and left"

Tears began to trail down her cheeks, and she hastily wiped them away as Stiles came and crouched in front of her.

"Soph" he began softly, his brown eyes glancing over her face "D'you like him?"

Scott edged forward, waiting for the answer curiously.

"I thought I did…I used to, but that was only because I had to"
"Had to?"
"Because I'm his anchor…Scott and Allison, you and Lydia…I thought I had to like him"

Stiles reached out and wiped a falling tear from her cheek with his thumb
"Soph…Scott and I being in love with our anchors is a coincidence, it doesn't mean it has to be the same for you"

"Really?"
"No" Scott agreed quietly, walking over to sit beside his sister on the bench.

"It's not his fault you know" Sophia told them after a pause "He was just being nice to me…Deep down we both know nothing could happen anyway, the age difference is too big, and I'm practically his sister"

The boys nodded in agreement and Scott gently wrapped an arm round his sisters shoulders.
"Things are gonna be uber awkward between us all now aren't they?" the girl sighed
"Nah" Stiles bluffed "Us guys will just punch it out and be done with it"

Sophia jolted forward in alarm "You can't hit him!"
"Relax little sis I'm joking…Scotty and I will just talk to him, tell him what he did was wrong and that if he tries it again we'll break off his little werewolf legs"

"Stiles" Scott smirked "Stop teasing her"
He turned to Sophia "We won't hurt him…But we're gonna warn him alright?"

The three got to their feet, Sophia in the middle as the boys wrapped their arms round her and headed inside.

"Are you two ever gonna let me have a boyfriend?" she wondered innocently
"Hmm Scott?"
"No" the alpha stated
"Sorry baby sis"
"Ugh you two suck you know that?"
"You love us" Stiles smirked
"Yeah I kinda do"

Yay fluffy ending! Yay overprotective Scott and Stiles! Yay awkward Liam! Yay sassy Sophia! Hope you guys enjoyed the chapter, if you did drop me a review or something I love hearing from you all! Until next time, adios :)