AN: I own nothing. Don't ask where this came from but here it is.

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John Watson was beyond confused. Just over an hour ago Sherlock was bored to the point he was worrying about bullet holes in the wall again. Then he gets a text and all the sudden he isn't bored any more. Not five minutes after there's a knock at the door and a lovely platinum blonde is standing there. She just seemed to float around John with other worldly grace. She then walks up to Sherlock and kisses him. Full on the lips, arms around him, normal person kiss. It was pretty discreet but John was shocked since the man disliked the amount of human contact involved in a handshake.

He wondered if one of Sherlock's experiments had to do with hallucinogens since the two seemed to be speaking English but made no sense what so ever. And it wasn't his normal confusion when listening to Sherlock. This was more... less... just different. John was relieved when he heard another knock on their flat door. He got up to answer.

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Anthea aka Hermione Granger was given a strange request by her boss the quote unquote British government. He had just text her: collect Sherlock's girlfriend and bring her to the office. There was so much wrong with that sentence she didn't know what to think. Since when did Sherlock have a girlfriend? Why the office and not the warehouse? And most importantly, Who the hell could put up with Sherlock long enough to be a girlfriend worthy of notice by Mycroft? She had spent 7 years with Harry, Ron AND Lavender, and all together they were less frustrating than the worlds only consulting detective.

Don't get her wrong Hermione really liked Sherlock. He just drove her crazy. He was like a cross of Harry, the Weasley twins and... her. That was what bothered her the most was when she saw herself in him. So she sat in the car waiting for the mystery girl to exit 221 Baker St. Some time later she received another text. Go get the girl.

Hermione sighed and got out heading up to the door. She didn't knock, instead she used a simple silent, wandless alohomora to open the locked door. She indulged in a small smirk, 'let Sherlock chew on that puzzle'. She headed up to the flat.

'Ah Captain John Watson MD.' Him she could deal with and kind of liked if she wasn't 80 percent sure he was homosexual. 'Maybe I should reevaluate, since I thought he and Sherlock were partners in the carnal sense of the word.' "Good evening Doctor. Mycroft would like to speak with Sherlock's girlfriend." She asked with a small smile Blackberry put away for once.

"Sure, sure. Come on in." He gestured politely.

She did so, then stood frozen in shock. 'Well that was the LAST person I thought would be here.'

The woman half dancing around the room as she seemed to explain a point in the nonsense verbal battle she was having with Sherlock paused and looked at her. Her lovely face broke into a wide genuine smile. And she ran at the assistant. "'Mione!" She cried jumping into Hermione's arms.

"Luna." Was all she could say catching the light woman. "I didn't know you knew Sherlock." She added after she recovered for a moment.

"You know her?" John asked

"Yes. We went to school together for 6 years. She was close to my best friend."

"How is Harry?" Luna asked still wrapped around her

"Fine last I heard. He was in Australia living in a tiny tribe that not even GPS can find."

"I'm glad he needs to be happy. I wish you would do the same." Luna pouted. "With proper training John here would be amazing in bed and he's not bad to look at either." She giggled.

John turned brilliant red and Hermione's checked pinked a tiny bit. It had been a long time since she had seen Luna Lovegood . "But then again I bet Mycroft is far more flexible than a man his age should be." Her blush darkened

"LUNA! Mycroft is far to old for me. And up until a few minutes ago I thought Dr. Watson and Sherlock were having sex." John sputtered at the comment and even Sherlock made a choked noise. "And would you please get down. Mycroft wants to meet you."

Luna got down and pouted. "I don't want to go. I was just winning our match."

Hermione sighed she just knew John was going to ask. "What match?" Yep he did.

"We were typing to see who could quote backwards the longest with out missing a phrase. You interrupted my rendition of the balcony scene from Romeo and Juliet."

"And I was going to win with the entirety of the Lord's Prayer." Sherlock replied. "So THE British Government can wait."

Hermione let out a sigh. Alone they were impossible to deal with together... she was honestly surprised the world had lasted this long.

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AN: Crazy yes. But I thought Luna X Sherlock would be adorable. Her eccentricity would puzzle him and confusing him would entertain her. Together they would be like a feed back loop where Sherlock would never be bored again.

This will be a 2 shot maybe more I'm not sure. The second part is how they met and a bit of their interactions.