Hello to you all. It's good to be back with a new story.

Okay, this is a new story that I wanted to write for a long time. It's the first crossover between Dragon Ball and Rosario + Vampire.

Disclaimer: I don't own neither Dragon Ball nor Rosario + Vampire. I do own my ideas and plots for this story.

Strict Pairing: Goku x Kurumu. Why her? well, because Goku loves food and she knows how to cook tastily. Besides, she's hot I've to admit that.

A warning!: English is not my first. That's because I'm from Argentina, but I'm hoping to take the First Certificate exam of Cambridge in a few months. For that purpose I'm practicing my grammar and writing, so please, deal with this without insulting me.

Things to notice: I'm taking this before the 23 world tournament when Goku was training with Kamisama. There are also another things to notice like the fact Goku decided to keep his tail instead of Kami removing it. The own reason is in this chapter, so please search for it. Goku is sixteen years old in this story and he's the same height than Tsukune Aono (to put an example). Finally, Kamisama accepts the idea of Goku going to Yokai Academy for certain agreement he made with the headmaster. Again, everything is explained in this chapter.

Full Summary: What if Kamisama had never cut Goku's tail when he was training with him? What if the headmaster of Yokai Academy offered a good deal to Kami who couldn't refuse it? Thanks to Kami decision, Son Goku is enrolled in Yokai at his sixteens. There, he'll meet a lot of enemies and some girl who slowly begin to fall for him.

Prologue : Welcome to Yōkai Academy

"Very good Goku-san, but we are far from finishing this fight. Please, try to hit me next time"

The teen growled and increased slightly his ki, his own power being outmatched by Mr. Popo. "Here I go!", he shouted as the only warning and rushed forward.

He threw his fist at Popo's face who barely dodged it and countered with a kick. The teen couldn't dodge it and used his left arm to reduce the damage. When the leg connected with it, Son gritted his teeth and threw his own kick at Popo's stomach. However, when his foot touched the man's abds he diverted it and threw another kick at the teen.

Goku, not wanting to recieve the impact, jumped backward and channeled energy in his palm. Using a great portion of his power, he threw the ball of energy at his oponent.

Popo gritted his teeth as he focused his own energy to deflect the attack. That was getting out of his hands, the teen was faster and stronger with every week he trained in that tower. Under Kamisama's wing, Goku had managed to improve his abilities a lot. Of course he was far from ending the training, but the improvement was marvelous.

Soon as the attack hit his hand, Popo used his entire ki to deflect it. With a big explosion behind him, Mr. Popo looked forward and noticed that Goku wasn't there. Calming himself, he looked above and saw that Son was flying a few meters above him.

Smiling, he jumped in the air and held himself at the same level than the teen. "Nice timing. But I wonder why you didn't attacked? you could have the advantage by now"

Goku was about to say something but his stomach talked for him. With a growl of it, Goku chuckled and scratched the back of his head. "I'm hungry!"

"What? but you ate two hours ago!", he said a bit surprised. Ah, Goku and his appetite, it was always so difficult to satisfy. Sweat dropping, Popo sighed. "Okay. Let's take a break for lunch"

Son seemed that he was about to explode from happiness. Jumping very high once, he landed on the ground and ran to the dining room where they ate. Popo followed quietly, mumbling something about 'No more food'.

However, when they reached the place they saw the own Kamisama standing there. His green face had a hidden amusement that only Mr. Popo noticed, and wondered what was wrong. Goku however, nodded to the god before looking into the fridge. Finding it full of food, he grinned and took everything on his arms.

Kamisama and Popo looked in amusement and worry, respectively, at Goku whose appetite seemed to have no end. Goku had spiky black hair that never changed since the begining. He wore a golden gi over a dark blue undershirt with Kami's kanji on its left side and on the back. Son also wore dark blue wristbands, along with dark blue boots that were outfitted with yellow/beige laces and boots.

Also, he refused when Kamisama wanted to cut his tail and, thanks to that, he had it swaying behind his back. However, due that he trained it during his childhood it wasn't his weakness any longer. He was more taller than before, and now resembled the height of a normal teenager on his sixteen. His motives to reject Kami's warning?: training, having a tail which could be an impediment to fight properly was something that would increase his power. Control and strenght, that were the two options that he could train with his tail.

However, he was training how to control himself when he saw the full moon on the sky. Despite the madness of his efforts, those seemed to be improving his mind. He could now spend 5 minutes under the Ōzaru form with total conciousness. After that... well, let's just say that the only way to return was to wait until dawn or cut his tail.

"Goku, there's something I need to ask you", Kami finally spoke as he supported himself on his stick. When Goku tried to talk with his mouth filled, the god continued. "Tenmei Mikogami, one of the three Dark Lords asked for your... assistance to his school, Yōkai Academy"

Popo gasped and widened —even more— his eyes in shock. It was said that Kami was the god of the earth and it seek peace. So, what issues had Kami with the Dark Lord? It was true that, for what Mr. Popo heard, that entity searched armony between humans and monsters, but why?.

Just as he thought that, Goku took a pause from eating to formulate his next question. "Why? Apart from the fact that I don't want to go you're Kamisama, the god of peace and protection! why messing around with a Dark Lord of all beings?"

Kami sighed, "Well, I don't like the idea neither. But, there are some monsters who want to destroy the humanity"

Instead of shocking at that, Son just shrugged. He was used to dinosaurs, giant birds and other species of animals who 'supposed a threat to the humanity' but it was their own behavior at the real threat. "Yeah sure. Listen Kami, we both know that dinosaurs doesn't want the destruction of the humans just because they are sc-"

"No. They are not dinosaurs", the god interrupted. "To resume things a bit, Tenmei had a school which only allows monsters. These... beings, are monsters disguised as humans. Some of them had a more human appearence —like a vampire— but in the inside they have a great power hidden"

Goku shivered a bit, but it wasn't for fear. It was for excitement. "Really!?", he asked as he stood up quickly. If that was true, then he could have a real fight! against something called 'vampire'. "Err... what's a vampire?"

Kami and Popo both sweat dropped at that, but it was Kami who answered. "They are one of the most powerful creatures in the world. They drink blood to survive and had amazing strenght"

This time Goku shouted in excitement and started to throw fists in the air. Meanwhile, the god began to think if it was a good idea. "There are also Succubus"

Stopping, Son frowned in confusion. "Sucu- what?"

Popo sighed, he definitely knew about that demon-breed very well. "Succubus are demons with the form of a beautiful woman. Their breed is dying, and they are in constant searching of a male. However, they base their own tricks in lust and perversion", he explained omitting the part where one of them almost seduced him in the past.

"But they are strong right?", Goku asked not really understanding the explanation.

When Mr. Popo nodded, Kami cleared his troath and he made a brown envelope to appear on his hands. "Here, take this. It would explain everything in detail"

Goku shook his head, "I don't need that. Just point me in the right direction and I'll fight them"

Kami almost facepalmed himself, "You don't get, don't you? You're not going to fight any monster there in the school. The only thing that you need to do, is defeat those who reveals themselves as a treath to humanity. You don't need to kill them, just beat them"

The teen stood there blinking a few times, as if were so difficult to understand. But it didn't took more than a few seconds before he talked again.

"I see", Goku finally understood everything and both Kami and Popo sighed in relief. "But if that is a school then you're making me an student right? and what about my training?"

The god smiled briefly, "Don't worry, with all the fights you'll have the training will come by it's own". Kami then passed on to the next issue, "You'll be an student with all that implies. That means that you are going to study and... you'll have to wear an uniform"

In that instant, Mr. Popo began to chuckle with Goku's reaction: the teen widened his eyes, gasped and tried to escape but the god grabbed his shoulder and prevented him from doing so. "No! let me go! I'd never wear something like that!"

Kami tried to sigh, but instead smiled in amusement. Son had bad memories of a occassion when Kami tried to show him how to dress like a business human. He said that it was something that he needed to know for the future, and Goku had agreed with him. But once he dressed like that he found it pretty uncomfortable. Honestly, a horrible feeling for someone like Goku.

"Come on, it's not that bad", he said thinking in something to convince the teen. "They also have a Karate Club"

With that, Goku was —someway— a new student of Yōkai Academy.

Kami and Goku appeared in what supposed to be the campus. It was pretty strange actually, with a grey blanket sky —which was totally different from the blue one that they saw before disappearing— and a rather dangerous cliff which ended on a sea.

Ahead, it was just a barren land with no trace of any life, even the trees seemed dead. Next to them, there was a sign with a pumpkin head attached that read 'Yōkai Academy' which seemed to be made from a rotten wood.

Neither Kamisama nor Son got scared of that, it was just an old scenery that was made to be scary. "Kami!", Goku finally spoke as he broke the god's daze. Turning to him, the god almost laughed when he noticed that Goku was trying to loosen his uniform. "This is so uncomfortable!"

The teen wore a green jacket with a red tie and a white shirt under it. He also had blue pants and black shoes along with his gi inside his bag. His tail, however, was coiled around his waist and went unnoticed as a belt.

"Try to resist until the end of the class. Then, I think, you would be able to use your gi if you want", Kami put his right hand behind his back and looked at Goku in relief.

When he noticed that the teen agreed —a bit at least— he smiled. "I'll do it. I mean, that's part of my training right?"

"That's true. Patience is what you need to control your ki better", Goku nodded and then looked ahead. "Well, I've to go now. Remember what we spoke, do not attack any student until they want a fight against you or if they are going to beat some defenseless student"

Goku nodded and grinned, this was so exciting to him that he couldn't wait to see if any of them were so strong as Kami said. With a wave of his hand, Kami ascended in the air and began to disappear. "I'll see in a few months. Don't forget to study and train everyday, you've to pass this year after all"

After Kami left, Goku hung his bag on his back and began walking into the forest. He could had run but that would make the boredom of the school to began sooner, and so he contented himself with walking pretty fast.

As soon as he delved in the woods, he couldn't help but feel exposed. He didn't had fear, but he almost felt that something was watching him into the darkness and that was something that he didn't wanted. Stopping in the middle of the forest, Goku focused his attention to feel anything around him. Soon, he sensed many students in different directions walking to the school. Almost all of them had little power, barely scratching the level he had after he finished his training with the Master Karin.

However, all of them had more power hidden inside them. It was more darker, almost as if they were something else. Goku nodded to himself, Kami was right after all. Maybe he could find a good oponent when he arrived the campus. But before he broke his attention, he felt a different presence heading quickly to his position.

A bit confused, he opened his eyes just in the moment a scream alerted him to be careful. But he didn't move a single meter.

In only a second that he used to turn around, a blue blur came flying at him and collided with his hard chest. Only a bit taken aback with the collision, Goku shook his head and remained still. He needn't to turn around or search for the victim, because it landed in front of him.

Narrowing his eyes he noticed a girl with light ocean blue hair, which was tied back with a purple headband that had two stars on the side. She had deep purple eyes and thick eyelashes, and wore a plain long-sleeved white shirt with a red bow tie, plus a pale yellow-colored vest and a light brown-checked skirt. The girl also wore white leg warmers and plain black dress shoes. "Hey! watch where you're going!"

"Huh?", Goku tilted his head to a side with confusion. "You were the one who was flying at me"

It didn't sound menacing, but the girl frowned. "That's not the way you should talk to- wait!", she interrupted herself standing up quickly and looking closely at Goku.

She looked first at his face and then to his body for a few seconds. Putting a hand under her chin, she walked around the teen eyeing him like a hawk. Soon, the confusion grew inside Goku's mind. "Err... what are you doing?"

The girl didn't stopped her walk around him but answered anyway, "looking at you, what else?". She answered as if that were the most natural thing in the world. Soon, she stopped in front of him with a satisfied look. "Nice body", the girl said noticing how tight his uniform was. "Even if you have that stupid look in your face you surely had to serve for something, don't you?"

Goku suddenly realized what she was doing, "I see! you want to know if I'm a good oponent for you!". The girl gave him a frown of confusion and he chuckled, closing his eyes momentarily he analized her ki for a moment. After that, he spoke. "But you're not so strong. I doubt that you could defeat me in a fight"

The bluenette blinked a few times in confusion and then she began to laugh. It was more than a giggle or a innocent laugh, it seemed more... amused than anything. "Oh you're so funny! fight me? haha!"

Goku smiled, but it wasn't a sincere smile. That one was product of his own confusion as well, "I'm serious"

She stopped laughing and smirked at him, he surely knew how to play the silly game. It was okay, she had plenty of time to begin her harem. "Yeah right. I'm Kurumu Korono by the way, I hope we can be friends... or more than that"

Unfortunately for her, he didn't understood the last part. He was way too innocent. "My name's Son Goku", he introduced briefly remembering his first mission. "By the way, what kind of monster are you?"

"It's a surprise", Kurumu answered touching playfully his nose. "I've to go, see you in class Goku-kun!", winking at him she ran through the forest at the academy.

Goku looked at her until she disappeared. Scratching his nose for a brief moment, he wondered what was wrong with that girl. 'In the end, she wasn't so strong. Why she acted like she wanted to fight me?', he thought as he followed the same path that Kurumu took.

Lost in his own thoughts, he failed to notice the main building appearing in the horizon.

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With that the prologue is over. So tell me: what do you think about it?

Please, if you liked it, tell me what you think with a review. Favorites and Followers also will encourage me to write faster.

Also, try to write good reviews. Flamers will be dutifully ignored.

With that, I leave you all guys. Yin Protector out.