Harry's Twin by Gemzgurl

A week later, Lei stood nervously in the train station with Kathia. Poco was yowling loudly from her carrier in Lei's hands. This was it, the start of a new life in a new country. Lei couldn't stop fidgeting, but she couldn't help it. So much was going through her brain all at once. Would the kids like her, or hate her, like everyone else did? Would the homework be hard? Would she be able to control her powers (somewhat)? All these thoughts and so many more were racing around in her head, all screaming to be heard over the others.
"Well, Lei, this it," Kathia was saying, but Lei could barely hear her over all the noise going round in her head and over all the people in the station. A train belched out a cloud of steam, making Lei jump. "Now, all you have to do is walk right into that stone barrier there. Yes, yes, I know, it sounds a little crazy, but don't worry. I know what I'm talking about. Trust me. Now, when you get to the other side, you'll see the Hogwarts Express waiting there. You'd best hurry now, you've only got ten minutes before the train leaves."
Well, here it goes, Lei thought, took a deep breath—and stopped. She looked up at Kathia. "Well, Kat, I guess this is goodbye."
Kat chuckled. "Don't make it seem like it's forever, Lei! After all, you will be coming back in June, or sooner, if you'd like, for the holidays." She patted Lei on the back. "See you, kiddo. And don't worry so much."
Lei swallowed, nodded, and walked right into the barrier, her eyes closed. When she opened them again, she was standing on platform 9 ¾. There was a large scarlet steam engine in front of her that said, in big letters, Hogwarts Express on it. Tightening her grip around Ragazza Poco's cage and her trunk, Lei stepped onto the train.
"Lei! Hey, Lei, we've saved you a seat in here," Harry called from down the hallway (A/N: Would it be a hallway or an isle on a train? I can't remember). Lei walked toward him and into the compartment.
Harry, Hermione, Ginny and Ron were all sitting around the compartment. Hermione had her nose in a book, as usual, Ron and Harry were playing a game of Wizard's Chess and Ginny was watching. Hermione looked up from her book when Lei walked in to greet her.
"Hi, Lei," she said, smiling and patting the seat next to her to sit on. Lei sat beside her. "How's it going, living with Kathia?"
"Kat's really nice," Lei replied, shrugging. "I could probably live without Romeo and Phoebe, however. Phoebe's constantly bothering me about something and Romeo always laughs at me. I never knew that I was such a funny person until I met those birds."
Hermione laughed. "Yeah, they can be a bit annoying at times, but they're actually not that bad, once you get used to them always squawking right in your ear. Kathia really likes birds, you see. Plus she's used to living with those guys."
Lei looked down on the chess game between Ron and Harry and Hermione went back to her advance Transfiguration book. Harry was losing the game, as usual, even though Ginny was trying to give him pointers (with Ron protesting that Ginny was helping Harry cheat).
"You really aren't very good at Wizard's Chess, are you, Harry?" Lei said, shaking her head. "You shouldn't have made that move. Ron can put you in check right there."
As if on cue, Ron chimed in, "Check."
"Oh, what, you think you could do much better?" Harry snapped irritably. The train took off from the station and Lei smiled down at her twin.
"Probably," she teased. "My---Giovanni taught me how to play chess, and he was really good. He used to be the best, winning all sorts of trophies from playing games in the park by our house in Italy." She hated how she had to talk about Giovanni in the past tense.
"That's check, and mate, Harry," Ron said, crossing his arms as his knight bashed Harry's king. (A/N: Bear with me here, I am no chess player, so therefore have no idea how it would work. Sorry.)
"I told you not to make that move," Lei said, shaking her head in disapproval. "Here, let me have a go with Ron, even though he hates me, so I can show you a thing or two about how to play a proper game of Wizard's Chess."
Harry and Lei switched places, Harry taking Lei's seat next to Hermione, and Lei taking Harry's spot on the floor. She crossed her legs and sat, looking Ron in the eyes. "Well, Weasley, are you going to play me, or not? Are you afraid that I'll beat you?"
What Lei thought was going to be an innocent challenge, or a friendly challenge (if you could call Ron and herself friendly) turned into an all out grudge match. Lei was the biggest challenge Ron had ever had. Even Ginny couldn't match skills, and Ron had taught his only sister how to play himself.
The game started out slow, each of them trying to see what the other one's strategy was, because Wizard's Chess was game all about strategy. Eventually, Ron caught on to the way Lei was trying to figure out his strategy and changed it. But Lei continued with her own strategy and begun pulling ahead of Ron. Ron, fully fed up with Lei, started to make some blind moves, not thinking about what he was doing. Noticing that she was ahead, Lei started getting cocky and moved her knight to take his queen, putting him in check.
"Check," she said, confident that she was about to win the game. Ron thought about it a moment before moving his queen to take her knight, then moved his queen across the board and took her own queen.
"Check mate," he said, grinning spitefully at her. "I'll give it to you, though, you have some wicked chess skills. Even though mine are better."
Lei silently counted to ten to hide her anger, and then smiled, holding out her hand to him. He took it, looking at her suspiciously, and shook. "Good game, Weasley. I'm looking forward to a rematch someday, when I'm better. Next time, I'll win."
Lei got up and sat in the seat across from Harry, and Ron sat next to Ginny. The train passed under a tunnel, and all the lights in the train suddenly went out. When they came back on, outside it was pouring down rain and Lei was on the floor. Not sure of what to do, Ginny went over and kind of poked the girl.
Lei stood, but she didn't look...normal. Her red hair was flying in every direction, but there was no wind (as there were inside the train and the windows were closed) and when she looked up at the others, her eyes were rolled up in the back of her head, so she looked as if she had pure white eyes. She looked rather creepy.
"Um, Lei?" Harry said, gulping at the drastic and terrifying new changes in his sister. "Are you okay?"
When she answered, the voice that came from her throat didn't belong to her. It was deep and guttural. "Did you actually think that you could hide her from me?" the voice said coldly, and those eerie white eyes fixed on him. "Did you think that I wouldn't notice that she disappeared from the home that I had destroyed? You foolish boy! She holds great power, I can sense it in her all the time, and one day I will harness all of that power for myself! And then I will kill you and everyone else who tries to stop me from taking my rightful spot as ruler of the wizarding world! And then I will kill all the Muggles so we can rid ourselves of them!"
A high, cold laughter filled the compartment before the lights went out once again. They all heard a thump, and when the lights flashed back on, Lei was on the floor again. She sat up again, but this time, instead of white eyes, her normal piercing blue eyes were back, and she glanced around the room.
"What happened?" she asked, her voice back to normal.
"I knew she wasn't right in the head!" Ron said, pointing his finger at Lei while the others stared at her in astonishment.