The Crimson Dragon's Soul

Disclaimer: I do not own Yugioh 5D'S or anything else relating to Yugioh at all, all I own is my OC Katsumi and other OCs that can spice up the story.

Summary: Leo and Luna have an older sister called Katsumi. Katsumi is very protective about her younger siblings and doesn't want them getting hurt. But what will happen when she finds out about the Signers? Yusei/OC

By the way, I'm quite new to writing Fanfiction and don't feel that confident about writing about the actual duels that will take place. So I'm just going to skip them and say who the winner will be.

Enjoy!

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"Guys I'm home!" Shouted a voice of a seventeen year old, this seventeen year old has long blue-green hair and olive eyes. The girl's hair went down to her waist and her fringe was slightly jaggered into a side fringe on the girls left side. The girl's complexion is pale but clear, not a blemish on her skin. The girl stood at five foot seven and was dressed in a white tank top with a short black baggy top over the white tank top. She wore black tight shorts that went to her knees with a white short skirt over the shorts and black boots; she also wore black and white gloves that went up to her elbow.

This is Katsumi, the older sister of Leo and Luna.

Katsumi walked in with the week's food shopping in her hands. She sighed as she didn't get a reply from her younger siblings, and knew that they would be in the garden. With Leo trying to duel his twin sister, Luna, and failing.

Katsumi walked straight over to the counter in the kitchen, placing the two heavy and overstuffed bags on the counter. Katsumi gave a sigh of relief when the weight was lifted from her arms as they began to ache.

Katsumi gave a light giggle just imagining Leo going against Luna in a duel. Leo was alright, but he couldn't beat his sister, nor could be beat Katsumi. Katsumi herself is a proud duelist; she's beaten everyone that has gone against her, she is still undefeated.

Katsumi owned a simple deck; she wasn't the biggest fan of the Synchro summoning. But there was this one card that drew her in, The Darkland Crimson Void Dragon. It is a black dragon with obsidian jewels surrounding its neck and body; it's practically the opposite of Stardust Dragon, just black. And it has the same power as the Stardust Dragon.

Katsumi smiles lightly as she walks away from the shopping after packing it away and goes to sit down on the couch for a rest. But when she reaches the couch she sees someone lying on the couch. It was a man.

The man looked to be eighteen years old and seemed to stand at five foot eleven. The man had tan skin, a light muscular physique, black hair with gold highlights. The upper layer of his hair juts upward while the lower layer arches down. He wore a long-sleeved blue jacket with a high collar and amber gems, over a sleeveless black shirt with a red symbol, and wears gloves below his elbows with an amber gem on them. His lower body consisted of black jeans with amber knee pads, a belt and calf-high motorcycle boots.

'He is ridiculously... handsome... holy hell what is a handsome stranger doing in the house!?' Katsumi thought to herself as she surveyed the handsome man. Katsumi slapped herself mentally for ogling a man she had never met before.

Katsumi then notices something on the handsome man's face; it was a jagged criminal marker on the left side of his face. 'Shit, he's a criminal!' Katsumi thought.

Katsumi walks over to the patio and shouts to the twins, "Leo, Luna! Why is there a stranger on our couch?!"

Leo and Luna rush in at the sound of their sister's panicked voice. They rush back in from their 'balcony' which was really like a back garden, to see their sister standing near the patio doors with her hands on her hips and her right eye twitching slightly.

Luna looks at her sister nervously; Katsumi's glare is pointed at Luna, knowing that she would be the first one to break, "He did it!" Luna says, not being able to withstand her sisters pointed glare.

Katsumi's pointed glare then went on to Leo, and in turn he started to sweat at his older sister's glare.

"I couldn't just leave him!" Leo shouts to his defence. Katsumi sighs and pinches the bridge of her nose, "You have got to be kidding me..." Katsumi says while she sighs.

Leo then began to ramble, trying to make the situation better, but it was just annoying Katsumi even more, "Enough! Leo... just tell me what happened." Katsumi says as she sits down on one of the lawn chairs in their 'garden'.

Thus causing Leo to tell his older sister a tale about how he saw the strange man passed out in the ally way and they had to save him. Luna then interjected that she was completely against the idea. Leo then exaggerated by making large gestures, which softened Katsumi's mood, a little.

Once Leo was done he gave a huge sigh of relief and said, "So can we keep him?" Katsumi raised an eyebrow at her younger brother, "Leo, he isn't a dog."

"But are you going to throw him out?" Luna asked nervously. Katsumi scooped up Luna in her arms and cuddled her, Luna gladly accepted the cuddle and hid her face in her older sister shoulder. Luna had always felt safe with her sister, knowing that she would never let anything bad happen to them.

"Hey where's my cuddle?" Leo complained. Luna and Katsumi look at each other amused; Luna scooted over so Leo could sit on Katsumi's right knee.

"He can stay. But next time don't worry me so much guys. Next time call me and I'll be right over, ok?" Katsumi says as she kisses both the top of their heads.

The twins nodded.

"But Katsumi, he has that mark." Luna says, obviously worried. Katsumi's grip tightened on her slightly, but not too much so not to hurt her. "That doesn't make him evil Luna, you can't judge others. Though to be honest I did think that straight away when I saw his mark."

"Besides he could be innocent, he could have been set up! I've seen it on TV." Leo says getting excited. Katsumi laughs at his enthusiasm in good nature.

"He very well could be, we'll find out when he wakes up." Katsumi says, and right on queue there was a groan that came from the couch in the living room. Instantly Leo was off like a shot. Luna looks at her sister nervously. Katsumi smiles and picks Luna up and places her back on the ground. Katsumi stood up, "Come on we should best follow to make sure he doesn't hurt our guest."

"Or the other way around..." Luna mutters under her breath. Katsumi chose not to comment and just let her be.