Disclaimer: I own neither Yu Yu Hakush nor Harry Potter

Warnings: Mild Language and Suggestive Themes

A/N:

-Well, this, being my first Yu Yu Hakusho/Harry Potter story, will have a complex plot which at times may seem confusing with irregular updates, but I beg you guys to bear with me until the end.

-Also, I feel it is important to let you know that this story takes place after the Dark Tournament Saga, but before the Chapter Black Saga. Of course, a flaw in this would be that Genkai's alive, but we'll just ignore that.

-Finally, I am blatantly ignoring all events following Book five of Harry Potter.

Chapter1:

Hiei sat, cross-legged, perched high in the tall Sakura tree. His demonic red eyes darted across the scenery, taking in every bland and quiet detail. The only movement was his constant shifting for comfort, and the pink blossoms that fell gently from the tree.

This is so boring,he thought lazily.

He sensed a movement down below and his muscles tensed. A rose, the length of rope shot for him. Hiei easily dodged the attack and instinctively reached for his katana. "I am not in the mood for games, fox," he hissed. A chuckle followed these words as Kurama stepped into the clearing.

"Never can get the jump on you, can I, Hiei?" Kurama baited.

"Be gone, unless you wish to taste the Black Dragon," Hiei snapped. Kurama nearly doubled up with laughter, as he stared at the much shorter, black cloaked, demon.

"You would release the great Kokuryuha, in a tea garden?"

Hiei knew the incredulousness of the statement. It would be foolish, not to mention dangerous, to release Kokuryuha, in a common garden. The havoc it could ensue... Well, to Hiei that would be pleasant, but it would leave an enormous trail of spirit energy, summoning demons from all around...

Of course, he could take them all, especially if they were stupid enough to come out of hiding in the presence of the Black Dragon. But he could not have the survivors running amuck, with the slight chance of one of them harming Yukina. "Hey Hiei," Yusuke's voice floated in, "the old hag wants you."

Hiei raised an eyebrow in confusion. What could that pitiful excuse for a human want now? This question was shortly answered by Genkai's rough, scratchy voice. "Get down here," she said. Hiei's insides withered with annoyance. After all, who was this mortal woman to command him?

"No," he answered flatly.

Genkai sighed and bolted forward up the tree trunk and up to Hiei. She had caught him quite off guard. His hand was barely to the hilt of his katana when she reached him. "What?" he snapped.

"I want to see you inside. Now. We need to discuss... more active training methods, if you are to keep that Dragon." With much more argument and grumbling, Hiei finally rose from the tree. He noticed the quizzical stare of the other Tantei, which fit with his own personal thoughts.

What was Genkai playing at?

-

Kurama was just as puzzled as Hiei. What did Genkai really want him for? Strange... Hiei's warding bandages keep the Kokuryuuha under perfect control. What does she really want? Kurama slipped away from the rest of the Tantei. He crept along the roof edge, keeping to the shadows. He landed swiftly and silently on the windowsill.

He peered in to the window, which was fogged with mist. Hiei was on Genkai's desk, and Genkai was in the center of the room. It seemed as though they were having a conversation. The window was too thick with spirit energy for him to hear through.

Damn Genkai, and her sound-proof windows. Why can't she just use perfectly normal, useless windows?

Pulling a withered seed from his hair, Kurama shifted to his kitsune form as silver mist surrounded him. He pressed his sharp fox ears against the window in deep concentration. He was so concentrated, in fact, that he failed to hear the creaking of the windowsill under his shifting weight. So of course he couldn't help but utter a yelp of surprise when the window broke under him and he fell on top of Genkai's head.

-

"I know you're probably wondering why I called you here," Genkai sighed. Hiei rolled his eyes. Of course he was wondering. If he knew, he definitely wouldn't be here.

"Hn," he grunted.

"I'll take that as a yes," Genkai continued. She looked slightly hesitant. "You've heard of Reiko, yes?" Hiei snorted with disgust.

That bastard, he thought sullenly. Unfortunately, yes, he had heard of the demon.

Hiei suddenly noticed the figure of Kurama, huddled against the window in a futile attempt to hear through the immense amount of energy. Figures. Foxes are such nosy creatures. "Of course I know him," he responded. "He was the one who attempted to murder me when I was younger and destroy the Jagan-Eye."

Hiei's hand instinctively rose to his covered third eye. "An attempt which utterly failed," Genkai added. "Well, it seems the Jagan has been inherited by another." Hiei quirked an eyebrow.

What?

Hiei pulled his ear, thinking that it was malfunctioning. Genkai snorted. "There is nothing wrong with your ear. You heard me right, Jaganshi. New-Heir-to-Jagan." Hiei's hand twitched toward his katana. This had to be some imposter Genkai. No one else but him had ever survived the Jagan implantation. She knew his Jagan-Eye was one of a kind. It was one of a kind, right?

"I am no more insane than you are, nor am I an imposter," Genkai said simply.

Hiei growled, "What is his name then?" Genkai's mouth twitched with the urge to smirk, Hiei could tell.

"Her name is--" Hiei shot out of his seat.

"What the hell are you-?"

The window smashed open as a lump fell on Genkai's pink, weathered head. A familiar, silver, four-tailed fox. "Kurama!" Genkai shouted before she was flattened. "Get off of me, Minamino!" she hissed. Yusuke's head peeped through the window.

"Hey, what's going on? Why's Kurama in kitsune form, and why's Hiei blood red?" Hiei glared daggers at the Spirit Detective.

"The hell is this about?" Kuwabara piped, hopping through the window after Yusuke.

"Get. Out."

Boton flew in on her oar, through the now second entry to the room. "Koenma says don't forget to tell Hiei about the mission, Gen..kai?" She stared at the cursing figure, crumpled on the ground. "What's going on?" Hiei was at the boiling point. If one more damn person walked in...

"Genkai, have you seen Yusuke?" Keiko looked in at the strange scene. Hiei had had it.

"Out," the fire demon seethed. "All of you ningens out. You too, Kurama." They stood silent in a mixture of humor and apprehension, until Kurama's amused voice rung through the room as he changed back to his human form.

"Actually, I should think we would be allowed to say. As Botan had so kindly offered, it is a Rekai case, so we'll hear of it eventually. So please, continue Genkai."

Hiei twitched. Fox, you're the one who interrupted in the first place, Hiei screamed telepathically to Kurama.

I know. It was funny, wasn't it? the hanyou responded.

No.

"Heh-hem." Genkai interrupted, running a hand along her head where Kurama had struck; she threw him a glare. "I guess I'll start again." She sighed and began retelling the situation to the Rekai Detectives, who had all so unceremoniously appeared. "Her name is Raven. I don't really know much else about the case, so you'll have to see the toddler yourself."

Hiei grumbled. His head was buzzing with what he had just heard. This girl, Raven, must have come in contact with Shigure, but how?

That pacifier sucking toddler better know something.

"All aboard! Boton's Express to the Spirit World!" Boton chortled.

Especially if I have to travel with these ningens

Boton's oar vibrated as a bright light blinded them, and formed a wide bubble. Boton hummed a cheery tune to herself.

A Ferry Girl, known far and wide as the Grim Reaper, a signal of doom and death, that strikes fear into hearts... and she wears a pink kimono.

Hiei resisted the urge to put his face in his hands.

-

Hiei's insides must be writhing with impatience. This is perhaps one of the best moment of my life, Kurama thought smugly. They landed gracefully in front of the Gates of Judgment. No sooner had the oar-bubble vanished when Yusuke stormed forward and kicked open the doors as he boomed, "Hey, shorty! We're here!"

Koenma floated into the room in response to the call. "Yusuke, stop calling me that. Now in my room." The group followed Koenma into his familiar office. Kurama eyed Koenma's desk. The piles of paper on his desk looked to be about eight feet high, each. An unpleasant thought struck him. If Koenma's workload had increased by that much...

This wouldn't be a quick mission.

-

Koenma took his seat and reached for his remote. A picture of a girl with long blue hair and shimmering grey eyes appeared on the screen. "This is Raven, and as I'm sure you all know, she will be the subject of the mission; Genkai should have informed you of the general information. Well-"

Yusuke snorted. "Listen Koenma, we don't have all day, you know. Just tell us the stupid mission." Koenma crossed his arms in annoyance before continuing.

"She just recently discovered the Eye this summer. The details are sketchy, but your current mission is to follow her to school and protect her, as well as the student body, from her newly developed and uncontrolled powers, as well as," Koenma's voice turned dark, "Reiko." The room fell silent until a certain, idiotic, red-head had an out burst.

"Who the hell is that?" Kuwabara echoed.

Koenma eyed Hiei warily before answering. "I will only tell if Hiei wishes me too." Hiei shrugged. In response, Koenma answered Kuwabara's question. "Well, Reiko is a well known demon. Known for his sadism, his insanity,"(Hiei grunted his approval at the statement), "and his failed assassin attempt to destroy the first successful bearer of the Jagan, the Forbidden Chi - I mean Hiei."

Yusuke stared musingly at Hiei, then shifted around for a new topic. "So-?

"What school does she attend?" Kurama had beaten Yusuke to the punch. Koenma grinned in a manner that made Kurama uncomfortable.

"Oh, yes. I almost forgot," he said, his grin widening. "She goes to Hogwarts School of Witchcraft and Wizardry."

-End Chapter-

A/N:

-Well, as I said before please bear with me, and the chapters will get much longer, I promise.

-Please review, leave either flames or constructive criticism, but please not hate mail.

-Ningen - Japanese (I believe) for human. Throughout the series, Hiei constantly refers to humans as such.