AN: Ok, so I'm going to try this Hibiki crossover with something. Just go easy, this is just an idea and also please let me know if there are any improvements I can take before I turn this into a full story. Now, ShowTime!

Disclaimer: I do not own Kamen Rider Hibiki or Omamori Himari

Idea: Omamori Oni

Yuto was staring at the small box he received for his birthday recently. Yuto knows what inside but he can't open it until the time is right after all Hitoshi entrusted it to him so he doesn't want to let him down. He was also wondering about the girl with the katana that he saw earlier today. While staring at it Rinko dragged out to the roof to have a…little talk.

He was defending himself from questions regarding to the girl earlier ago. Soon, the door to the roof then shot open.

"Taizou weren't you going to the Cafeteria?" he asked his friend who looked off his eyes where colorless and he had a strange aura around him.

"Haha…" he laughed quietly he then put his hand into the air with fire like energy around it. He then shoot the strange energy ay the two, Yuuto blocked the attack from hitting Rinko but the two were still knocked down.

"Taizou what the hell man?" he asked getting up.

"Yuuto what did you do?" Rinko asked him.

"I didn't do anything." he said.

"You have no idea of the blood in you that you have gotten from your ancestors…" he said his voice distorted. "No matter I will rip you to shreds and eat you hole."

"That wouldeth pose a problem." The girl from before said as she landed on the roof in-between them. "He wouldeth be my man!" she said as she stood between them.

"You're the seductress from this morning!" Rinko shouted pointing at her.

"Tis no use even though canst do naught." she said to her.

"Who are you?" possessed Taizou asked.

"I will not give my name to a simple spirit such as thee." she said drawing the sword slowly. "My blade doth face only spirits. I shall smite Spirits." she said as she pointed the sword at him.

"Eeeek! Is that a real blade?" Rinko shouted out scarred.

"W-Wait a minute!" Yuuto said trying to get things under control. "What are you planning on doing with that sword? He's our friend, so please stop this!"

"Prithee forgive me. For I was raised in the mountains. My body is not use to being in a city." she said. "But even I can tell that something is amiss."

"How amusing." Taizou chuckled. "If you plan on killing someone then give it you're best shot." he challenged.

"As thou wishest." she said as she got ready to attack.

"I asked you to stop!" Yuuto said as he grabbed her from behind. "Didn't….I…?" he said as he felt something he's pretty sure he shouldn't be touching. "This is something soft? Uh-Oh!"

"W-Where art thou placing thy hand?" she asked furiously as she back handed him. She then slammed the blunt end of the sword into Taizou's gut making him fly back along with something else.

"Tisk…" a voice said."I wanted to have more fun." it complained. "Oh well." it said as energy formed into a spider creature, he was tall with a slender build and a black shell. He had sharp claws with spider legs dangling from his hips and shoulders. His head looked like that of a spider with several eyes and mandibles. "Oh did I not tell you I was a Makamou?" he said in a mock tone.

"Wait! What!?" Yuto exclaimed as he was getting up.

"Baka des." The spider Makamou said. "This is the so called heir to the Amakawa name." he said in disbelief,

"Tis not you concern." she said as she slashed at him but he dodged.

"My my, aren't we a protective little kitty." he joked as he made a large claw grow from his wrist to block her attack. There weapons clashed making sparks fly. "You are a good swordsman but only so much." he said as he jumped back and fired webs at her. That entangled her in her place. "Now you be a good kitty and-" and as he was talking Yuto pulled out the box from earlier. He took the item out.

It was the Onkaku and soon he turned it into a tuning fork. The Makamou looked at it in disbelief.

"That's-!" The girl looked at it confused and so did Rinko. Yuto tapped it on the railing. It started to give out visible sound waves. He placed it against his forehead and when he did the face from the tuning fork appeared on his forehead. The sound waves from the face spread throughout his body before it got caught in a violet flame. Soon he swung his arm out dispersing the flames. When he did it revealed a new figure.

He appeared to be wearing a kind of purple bodysuit, red gloves and boots, silver straps covering his chest, a belt around his waist, and what looked like a purple helmet with a purple opaque visor lined with red markings, silver horns, and the same Oni face decorating the forehead. This was Kamen Rider Hibiki.

Hibiki (響)

Hibiki was a little taller and proceeded to walk towards the Spider Makamou.

"O-Oni…" The Spider Makamou said.

"Impossible." The girl said.

"Yuto?" Rinko asked. Hibiki turned around and faced her.

"It's Hibiki in this form. Now Rinko, just watch." Hibiki answered before getting his Ongekibou Rekka out before charging. The Spider Makamou attempted to fire his webbing but Hibiki dodged it before continuing his charge. Hibiki then smashed his drumsticks into the Makamou's face. The fire from it made him stumble back. Soon Hibiki's Rekka was charging with fire.

"Kiboujutsu Rekkadan!" Hibiki announced before firing fireballs at the Spider Makamou. The Makamou was hit and the fireballs seemed to have done a lot of damage. The Spider Makamou attempted to charge despite being on fire. Hibiki dodged his charge and started to beat it in the face with his Rekka. To the Spider Makamou each hit was worth a lot of damage. Hibiki kept this up until the Makamou looked weakened

"Impossible! How are you this skilled!?" The Spider Makamou asked as it was trying to get up.

"I had a good teacher." Hibiki plainly answered. Hibiki out his belt buckle and placed it on the Makamou's chest. When he did the buckle began to grow in size until it was as big as a drum.

"Ongeki Da: Kaen Renda no Kata!" Hibiki soon started to beat on it, each hit sending a purple pulse.

(音撃打・火炎連打の型; Sound Attack Stroke: the Flame Barrage Style)

Hibiki started beating faster and the Mamakou was now immobile. Soon Hibiki used both Rekka for one last beat. When he did the Mamakou exploded leaving an unconscious Taizou. Hibiki looked behind and saw the girl missing and Rinko speechless. A bright light engulfed Hibiki and when it faded all that was left was Yuto, with the armor but without his helmet. Rinko stepped up to him.

Yuto felt a dark aura surrounding her and despite being an Oni, he looked like he was about to wet his pants.

"Hey…Rinko…funny story, I-."

"Save it! How did you fight the monster!? Do you know that Samurai Girl!? What's with the armor!? And what did that monster mean by you being an Oni!?"

"Rinko, well..it's…uh-."

"OUT WITH IT! ESPECIALLY, THE QUESTION ABOUT THE GIRL!"

"I don't know about her! Honest!"

AN: There's my latest idea. I'm still working out the kinks but let me know what you think in the reviews or private messages. Alright, I'm done, goodnight.