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She stared blankly at the page, and then raised her eyes to Scorpius's smiling face. "How could it change? How could my name change?"

"It didn't."

Frustration and anger mingled with her confusion. "Yes it did! It said Mia Walsh and then it said Mia Song!"

"What I meantto say is that your name was never Mia Walsh. It was a disguise."

"And why did I need a disguise? Why was I abandoned with this," she tapped the cover of her diary with a finger, "if I'm not an orphan? Do my family not care about me?"

"Calm down," Scorpius said, looking worried. "You're very powerful. You don't have any idea what you might do if you get worked up."

She sat down on the bed, taking deep breaths to calm herself.

"Are you sure you've got the right person?"

He laughed. "You sound like Harry! Hagrid told us all about—"

"Am I meant to have a clue what you're talking about?" Mia interrupted, raising an eyebrow at him.

"No. Sorry. But anyway, yes I've got the right person. Never wondered why strange things happen to and around you?"

That seemed accurate. She nodded, trusting Scorpius a little more.

"You're a witch."

"A what?" she asked, thinking of Conor's pictures.

Seeming to guess what was going through her mind, Scorpius added, "Don't worry. Not a Muggle's – non magic person's – view of what a witch is. You're not going to turn green or anything."

"Good," she sighed. "But what does that mean? Is that why I have two hearts?"

"It means you've got powers Muggles wouldn't even dream of. It means you're magic." He paused before answering her second question. "And no, it's not the reason you've got two hearts."

"Why do I, then?" she asked, wondering if she'd ever stop being confused.

"You're an alien. A good kind, don't worry."

"So I'm definitely not a normal person?"

He laughed a little. "Sorry, no. not in the slightest."

"What kind of alien am I?" she asked, as Scorpius checked his watch.

"I'm sorry, Mia. I've got to go. I just have to leave you your message: read the book."

"I am re—"

"You'll be able to see what's actually written in it now – it was never explained to me why, so I can't tell you. But I really have to go, or I'll be left behind."

"But—"

"Goodbye Mia."

Before she could open her mouth to protest any more, he had disappeared.

Her confusion heightening, she returned to her room, hugging her diary close to her chest.

"What happened?" Kelly asked almost immediately. Conor and Joshua had fallen asleep.

Mia explained, searching for the diary she'd left behind as she did so. It was gone. How could Scorpius have gotten it?

"Explains a lot," Kelly muttered.

"Does it?" Mia asked absently, opening the book. Many of the pages were blank, she flicked through it, and found a letter written to her on the middle pages.

Dear Mia,

You'll have met Scorpius by now. I know you're confused. Just wait, as patiently as possible. Don't get worked up. You're nearly eleven – you're not able to control your magic yet – and the damage you could do is catastrophic, mainly because you're not a normal witch.

I will be there to collect you on your birthday. Make sure you're ready and you've said your goodbyes. You will meet Kelly again, but it may take a long time.

Be patient. You will meet your family. Everything will be explained. I'll see you soon.

Rose

Rose. That had to be Rose Weasley, who the book – or what had been a book – was about. Mia flicked back to the cover and analysed it, memorising the face that she would soon meet.

"Take this," Kelly said, slipping a mobile phone into Mia's hand.

"How did you get this?"

"I got a job a month ago. I wanted to keep it from Mr H so I didn't tell anyone, in case you let it slip."

"You don't trust me?" Mia said.

"Of course I do. I didn't mean it like that."

Mia smiled. "I know you didn't. Are you sure?"

Kelly nodded. "I'll save up for another one and then I'll call you, ok?"

"Ok," Mia smiled. She hugged Kelly tightly, and then turned to hug the boys.

"We'll miss you, Mia!" they chorused.

"I'll miss you guys too," she said sadly, turning away as a loud knock sounded from downstairs.

"Don't be sad," Kelly said, as Mia turned back at the doorway. "You're going to meet you parents."

Mia half-smiled, and went downstairs. She opened the door.

A tall redhead, with curly hair, not that much older than Kelly, stood leaning against the wall. She smiled. "Hello Mia Song."

"Still getting used to that name."

"Or 'hello' was the standard greeting," Rose smiled. "Got your diary? Good, let's go."

"Where exactly are we going?" Mia asked, following the older girl.

"Merlin knows," she said. "Happy birthday!"

"Thanks."

"What year are we in?" Rose asked interestedly.

"2011," Mia replied.

"Oh cool! I was born in 2006."

"But how—?"

"Time travel," Rose explained quickly. "Here we are."

She pointed to a large blue box, with 'Police Public Call Box' written across the top.

"What's that got to do with anything?" Mia asked.

The door creaked open, and a head of blond hair popped out.

"Everything, basically," Scorpius smiled. "Come on in."

"Is there enough space?" Mia asked sceptically, but she followed Rose in anyway.

"Woah! It's—"

"—Bigger on the inside, yeah."

"We thought it was an undetectable extension charm, at first," said Rose conversationally. "Which reminds me." She handed Mia an envelope.

"Open it!" Scorpius smiled.

Mia obeyed, tearing it open and reading the letter aloud

Headmistress: Sarah Bell—

"I was so proud of her," Rose smiled.

"How?"

"She went through a tough time," Rose shrugged.

(Order of Merlin, First Class)

Dear Miss Song,

We are pleased to inform you that you have been accepted at Hogwarts school of witchcraft and wizardry. Please find enclosed a list of all necessary books and equipment.

We await your owl by no later than August 20.

Yours sincerely,

Paul McGovern

Deputy Headmaster

"I'll send her an owl. You don't have to worry about it," Rose said. "Hey! Amy!"

"Yeah?" a female voice, with a Scottish accent, called from the stairs. Mia looked up. It was another redhead, but older than Rose.

"Have you seen Angel?"

"I think she's flying around in the library," Amy said, walking down a few steps. "Does this mean Mia's arrived?"

"Yes, I'm here," Mia said.

"Oh brilliant!" Amy rushed down the rest of the stairs and hugged her. Rose set off in search of Angel, who must be her owl.

"I haven't seen you since you were a baby," Amy said, releasing Mia. "You're beautiful."

"Thanks," she said shyly. "But who are you?"

"Oh I never introduced myself! Amelia Pond. Your grandmother."

"You're still not used to that, are you?" Scorpius smiled.

"I don't think I ever will be," Amy sighed.

"Your face when you realised you were your 'imaginary friend's' mother-in-law washilarious."

The three of them turned. A woman with blonde ringlets stood barefoot in a dress, watching them. She was smiling, but her eyes were filled with tears.

Mia walked over to her.

"Don't cry," she said. "I'm fine, see? Don't cry, Mum."

For she knew, on instinct, that this was her mother.

She gave a watery smile. "Hello sweetie."

Mia hugged her.

"Oh good, you've met."

The broke apart. Rose had returned, with a white owl perched on her shoulder. She smiled.

"Mia, River," she said, nodding her head towards the pair of them.

"Never thought I'd have to be introduced to my own mother," Mia muttered to herself. It was an odd feeling indeed.

She hugged her mother again, and then said, "Dry your eyes. You've got some explaining to do."

… I really have no idea what to say …

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