A/N: Post-Apocalypse.
In terms of canon for this story Apocalypse took place three years after DOFP.
Pietro is nineteen.
Wanda is nine.
I'm Updating all of these Chapters because it was all sloppy and messy.
X-Men: The Girl In Red
Peter and Wanda were twins, it was blatantly obvious, it was their age gap that separated them and confused many people including that of Erik Lehnsherr.
Magneto knew he that the teen was his however he was unaware of the younger sibling under half of Peter's age due to his super speed metabolism, it increased his aging process, when he finally reached his adult years it will slow down enough for him to control it.
After dealing with Apocalypse and recovering from the broken leg Peter asked for permission - for a change - to leave the school and return within the day he ran back home to pick up several forgotten items and to finally free his Sister from home.
Having to follow her muffled sobs he discovered her in his room, trapped inside his closet.
Knocking gently Peter knelt down and said "It's me, big Brother"
Unlocking the door Wanda dropped into his arms sobbing he hugged his Sister close "I'm sorry I wasn't back sooner, I had my leg broken, I couldn't get back even if I wanted to"
"He slapped me today and threatened me also calling me a Freak again"
Hearing the update made his blood boil. "I'm taking you somewhere you won't be hurt because you are different I'll help you pack your things"
Using some room in his own bag and finding her own black one Peter filled it with clothes, underwear, shoes and toothbrushes. She swung the full bag over her shoulders and grabbed her grey bunny - called Silver - and hugged it tight as Peter mimicked the
gesture after pulling on her scarlet winter coat, the pair took off before their drunk, abusive Step-Father returned home.
Quicksilver managed to get his Mom away before, no way in Hell did he about forget little Sister.
As she had fallen asleep in the hour it had taken to get back Peter brought her inside to meet the Professor "Come in, Peter"
"Uhh... I know it's short notice but-"
"Wanda is more than welcome to stay" Xavier politely interrupted "What powers does she possess?"
"We aren't sure I thought maybe you would"
"Could you wake her up so I can talk to her?"
"Little Sis" Speedily licking her awake she bounced in his arms
"Eugh, Peter!" Wanda froze as she laid her eyes upon the stranger in front of her
"Hello there, my name is Professor Charles Xavier"
"He isn't going to hurt you"
"I can't know that"
"How so?" Charles asked
"Everyone says they won't. I only trust my big Brother"
"I understand, Peter tells me you have powers neither of you understand, that's why you are here"
Wanda nodded fidgeting
"You can tell me about them"
"I can't really explain it. I'd have to show you- But not inside, that's not allowed" The fear in her eyes and tone were beyond clear
"Alright, I'll meet you outside them, there's a large garden you can show me"
"There's a cool tree you can sit under, I'll show you" Peter encouraged the nine-year-old
"Cool!"
Grabbing her bag Quicksilver returned as quickly as he left "Professor, thank you for this" The younger held the door open
"Thank you and it is no trouble, I am surprised we didn't have her sooner"
"I was going to but after my leg I couldn't"
"Erik is still around if you want to talk to him, you both know and he does want to talk, even if he doesn't admit it" Charles lightly changed the subject
"Maybe, no doubt Wanda will say something to him first"
"Does that worry you?"
"You know the answer to that"
"Yes, I did hear a particularly loud dream about it once"
"Oh" Diving in an awkward silence Peter became anxious
"How long?"
"Huh?"
"How long has your Step-Father abused Wanda and yourself"
"A few years now, because I left he drew all his attention to Wanda. I got my Mom out and I was going to bring Wanda in but..."
"You're leg. Listen, you know that all the children and X-Men here are protected, nothing will happen to her"
Nodding the teen opened another door for him the two spotted the red lump still under the 'cool' tree. The Brother gazed over to her watching her engage in conversation with none other than Erik "Oh no"
"He won't hurt her"
"That's not what I'm worried about"