Hello, everyone in internet-land! PHANTOMKNIGHTMARE47 here, with the third chapter of Kamen Rider Nebula! In this chapter, Nakashima and co. arrive in the universe of Rosario+Vampire, where they meet the Newspaper Club of Yokai Academy. They even encounter a Nephelem by the name of Jacob Kametz and his harem of lovers. However, a new Darkmare is causing mayhem in Yokai Academy, so Nakashima/Nebula gains a new weapon to combat this threat. Not only that, but he meets a Legend Rider in the form of Ikki Igarashi, AKA Kamen Rider Revi and his inner devil, Vice, who become the two-man Rider, Kamen Rider Revice! Will Nakashima be able to maintain the balance between Humans and Monsters? Get ready to find out, in this newest chapter of KAMEN RIDER NEBULA!

Disclaimer: Same as last chapter.

It cuts to the interior of the Nebulonius, where Nakashima woke up from his sleep, and then took a nice warm shower before getting dressed and heading to the kitchen for a nice breakfast. There was pumpkin-spice pancakes, with turkey bacon, plant-based sausages, scrambled eggs with melted cheese, and orange juice.

"Morning, snookum-bear." said Ayame, smiling at her lover.

"Morning, Ayame." said Nakashima, smiling. He then remembered the time he and Ayame had sex last night. "OH CRAP! I didn't wear a condom!" he groaned.

"Not to worry, sweetums. I'm on birth control." said Ayame, reassuring Nakashima that he didn't get her pregnant.

"Thank god." said Nakashima, breathing a sigh of relief.

"Alright, everyone. Our next stop is the universe of Rosario+Vampire, so everyone strap in." said Raymond, announcing their next stop. With that, everyone had breakfast and strapped in, as the Nebulonius flew through a dimensional rift.

(Opening Song: "The Howl Towards Tomorrow" by JAM Project Plays)

[Instrumental]

It shows the various Kamen Riders: Ichigo, Nigo, V3, RiderMan, X, Amazon, Stronger, Skyrider, Super-1, BLACK, BLACK-RX, Shin, ZO, J, Kuuga, Agito, Ryuki, Faiz, Blade, Hibiki, Kabuto, Den-O, Kiva, Decade, Double, OOO, Fourze, Wizard, Gaim, Drive, Ghost, Ex-Aid, Build, Zi-O, Zero-One, Saber, Revice, and so on, as it then showed Nakashima.

[Tachiagare kedakaku mae sadame wo uketa senshi yo]

It shows Nakashima, with his friends, Daigo Kanezawa, Courtney Tezuka, Carter Tezuka, and Masato Hozuki, as they sit at a hill.

[Sen no kakugo mi ni matoi kimi yo ooshiku habatake!]

It shows the group get to their feet, and are headed to a location, as the logo for Kamen Rider Nebula appears.

[Yami no jidai wo tsugeru kane ga tooku nari hibiku]

It shows Nakashima training in the local dojo, whereas Daigo is playing video-games, Courtney is practicing dance, Carter is doing motocross, and Masato is drawing.
[Tatakau tomo yo ima kimi ha shi mo osorezu]

It shows Nakashima's relatives, and some more of his school-friends. As well as the allies Nakashima makes in his interdimensional travels, such as Tsukune Aono, Kenichi Shirahama, the Agents of W.O.O.H.P, the Maximals, the Crystal Gems, Danny Phantom, Team Sonic, the Knights Of The Watch, the Order Of Mata-Nui, Ruby's Group, the Avengers, the Justice League, U.A High-School Class 1-A, Inuyasha, the Elric Brothers, the French Miraculous Superhero Team, and so on.

[Gareki no machi wo somete shizumu yuuhi ha kurenai]

It shows the members of the Allied Multiverse Protection Squad, composed of Raymond Thompson III, Professor Jeremiah Broslowski, Dr. Jonas Bogard, Field Captain Genjiro Shimada, and Lieutenant Ayame Kanezawa.
[Aisuru hoshi no mirai wo mamoru tame]

It shows the Giganoidians, which were composed of the swordsman, Zankord, the war-general, Gextral, the assassin, Kenvardon, the jester, Gyrax, and their leader, Giganidas.

[Oo kami no yaiba ha hito no ai]

It shows the people running, as the Blightoids terrorize the people, until Nakashima manages to fend some of them off.
[Inori wo komete tsuranuke!]

Nakashima does the movements needed to transform, and says "Ectophase Activate!", as he then transforms into Rider Form.

[Tachiagare kedakaku mae sadame wo uketa senshi yo]

Nebula then fights against the Blightoids in hand to hand combat, until he slides a Grid-Card across the top of his belt, summoning a sword.
[Asu no heiwa he no ishizue to nare]

Nebula then slashes and slices through the Metaborgs with his weapon, cutting them down.
[Atsuku nare ookiku sake ten ni sasageshi inochi yo]

It shows several other Riders, ready to help in defeating the Giganoidians, as Nebula fights Zankord in a sword-duel.
[Yowakimono no tate to nare soshite sekai wo michibike]

Nebula does his Galactic Rider Kick on a Darkmare, destroying it in a single hit, before driving off on his motorcycle.

(End of OP)

Chapter 3: Assault On Yokai Academy!

Location: Yokai Academy Grounds

The Universe of Rosario+Vampire

The Nebulonius then made a landing, as Nakashima and some of his friends then exited the craft.

"So, this is the Rosario+Vampire universe." said Sam, taking notice of their surroundings.

"A universe that's home to a school made by monsters and meant for monsters." said Nakashima, as he and his friends headed towards the school in question.

'Maybe some of the Monsters will be on our side.' Nakashima thought, curious.

Meanwhile, on the Nightmare Fortress, we turn to see a new Darkmare themed after a Japanese rhinoceros beetle with a crimson-red body and indigo blue compound eyes.

"Kabuterror, ready to serve, my lords." said the monster, kneeling before the Giganoidians.

"Excellent." said Giganidas, as he tented his fingers similar to Montgomery Burns from The Simpsons. "Kabuterror, I want you to go to the universe of Rosario+Vampire, and sow fear amongst both Humans AND Monsters!"

"With gusto," said Kabuterror, as he saluted his masters before being beamed down to Earth.

Meanwhile, in Yokai Academy, we turn to see a young man with black hair and brown eyes in a green Japanese school-boy uniform. This was Tsukune Aono, the first Human to attend classes at Yokai Academy. In the past, Tsukune wasn't able to get into any high-schools due to his poor grades, until his father found a brochure for Yokai Academy and had him enrolled there as a last-ditch effort for preserving his education.

To Tsukune's shock, he learned the truth about Yokai Academy being a school meant for monsters, and educating said monsters to co-exist with Humans and blend in with them. The first monster he met was a Vampire known as Moka Akashiya, whose power was sealed in a rosario around her neck. Amongst the other Monsters he met were Kurumu Kurono, who was a succubus, Yukari Sendo, a bisexual witchling, Mizore Shirayuki, who was a Yuki-onna, and a higher witch named Rubi Tojo. The male monsters that he made friends with were Ginei Morioka, a werewolf with a perverted side to him, and Fangfang Huang, a yaksha who was the son of a Chinese mafia boss.

"Hey, Tsukune." said Ginei, as he walked up to the human boy. Ginei and Tsukune once got off on the wrong foot, because Ginei once attempted to frame Tsukune for being a Peeping Tom, but after being defeated by Moka and Kurumu, he turned over a new leaf. "Something on your mind?"

"Yeah. I've been trying my damndest as the sole human in Yokai Academy to maintain peace between Humans and Monsters." said Tsukune, admittedly. "And I've made lots of friends and foes in my attempts, too."

"I can tell." said Ginei, as he had an adult novel on his person, in this case, it was Fifty Shades Of Gray.

"Gin, why do you still read that book?" said Tsukune, with a deadpan expression on his face. "I mean, for Christ sakes, you got Kurumu pregnant because of it."

"She was in heat, because she wound up eating an aphrodisiac-laced cookie meant for you by mistake." said Ginei, admittedly.

"And you thought that getting her pregnant would fix that?" said Tsukune.

"Fair point." said Ginei.

"To be honest…I've had a crush on Moka ever since the day we met." said Tsukune, admitting his feelings for the bubblegum pink haired Vampire.

"Nice." said Ginei, smiling.

"The problem is, I dunno how to tell her," said Tsukune.

Later, a figure drove onto the grounds of Yokai Academy. He had reddish-brown hair and grassy-green eyes, Caucasian skin, and a cross-shaped scar on his right cheek. He wore attire that was similar to Dante's from his exploits on Mallet Island, crossed with Kirito during the Aincrad Arc. His clothes were black, white and gray in color. The ends of his sleeves, and his coattails had flame decals on them, and he had steel-toed combat boots and fingerless driving gloves, and a zweihander-sized sword on his back, and dual handguns holstered on his sides. This was Jacob Kametz, a Nephelem who was a freelance Devil Hunter, and worked in hunting down demons.

Jacob was raised by a Catholic priest when his father, an Archangel knight who served under Archangel Michael and Jesus was killed by demonic forces, and his mother, a Demon Knightess was banished to the depths of Hell for endless imprisonment and torture.

Jacob's guardian, Father Rodrigo Gomez, a Mexican Catholic priest, raised him in the ways of Catholicism, and mentored him in the art of demon hunting. One day, when Jacob was 19 years old, his surrogate father sadly passed away in his sleep. As a result, Jacob became a freelance Devil Hunter, hunting down and killing Demons that attacked innocent people. He attended classes at Yokai University, and had a harem of his own composed of Ramona Harrison, a female Nephilim with lightning manipulation, Nagisa Kisaragi, a female Archangel, Retsuko Oogami, a female werewolf, Isabella Bloodstone, a British vampire, Erica Gunderson, a female Centaur from Texas, Mizuki Nanohara, a Mermaid, Hanako Nekozawa, a catwoman, Meiling Cheng, a Jiang-shi, Mariko Kyojin, a Giantess, Sophia Serpentious, a Lamia, Akame Onigashima, a Red Oni, Reiko Hibari, a Succubus, Amanda Cavendish, a witch, Mariko Hyotenka, a Yuki-onna, and Emma Hemlock, a Dullahan.

"It's been a while since I've set foot on Yokai Academy following graduation." said Jacob, sounding like how Tony Stark did in Iron Man: Armored Adventures, as he reminisced his time as a student of Yokai Academy.

"Yep. It has." said Ramona, smiling a little.

Meanwhile, it shows a portal opening, and a figure stumbled out. This was Ikki Igarashi. Ikki lived a relatively normal life, helping out at his family's onsen, until he discovered the existence of his Inner Devil, Vice, who had been with Ikki since childhood. When a cult known as Deadmans started plaguing their hometown, Ikki and Vice joined the ranks of Fenix, and became known as Kamen Riders Revi and Vice, or Kamen Rider Revice, using stamp-based objects known as ViStamps, which harnessed the power of animals, dinosaurs, and past Kamen Riders.

"What kind of world is this, Ikki?" asked Ikki's inner devil, Vice.

"My guess: A world where there are actual Monsters like vampires, succubi, oni, witches, and others to name a few." said Ikki, taking notice of this.

Elsewhere, it shows a hooded figure facing two students. The two students were Saizo Komiya, an Orc who tried to kill Tsukune and rape Moka, and Keito, a Jorogumo who was part of the school's Public Safety Commission, however, the PSC had been rendered defunct when their president, a kitsune known as Kuyo, was charged with attempted murder and sentenced to life in prison without parole.

[MONGOLARACHNE!]

[NEPENTHES!]

With that, Saizo and Keito were stamped on their chests by what appeared to be prototype ViStamps, and two Deadmen monsters manifested. One was themed after a pitcher-plant, while the other was themed after a mongolarachne, an extinct species of spider.

"Gracias, Deadmans!" said the two monsters. Ikki took notice of this.

'Oh shit! I gotta warn the students of Yokai Academy!' Ikki thought, shocked.

Later, it shows Tsukune walking through the grounds of Yokai Academy, until he looks to see Nakashima and Jacob conversing.

"Hiya. I never saw you guys here before." said Tsukune, smiling a little.

"Hello there. My name is Nakashima Kazuma. It's a pleasure to meet you." said Nakashima, bowing in respect.

"And my name is Jacob Kametz. I'm a Nephelem who works as a freelance demon hunter." said Jacob. "I hunt, fight, and kill Demons who prey on innocent Humans and Monsters."

"Hiya. My name's Tsukune Aono. I'm the first Human to attend a school meant for Monsters." said Tsukune, introducing himself. Suddenly, the gang heard a commotion, and they looked to see that Kabuterror had teamed up with the Nepenthes Deadman and Mongolarachne Deadman, terrorizing people.

"Run, worthless monsters! Nobody can save you now!" said Kabuterror.

"That's where you're WRONG, jackass!" said a voice, as Ikki arrived.

'Holy shit! That's Ikki Igarashi!' Nakashima thought, surprised to see a veteran Kamen Rider here. 'That must mean he has Vice with him.'

Ikki then attached the ReviceDriver to his waist, and then took out the Rex ViStamp. "Ikki ni ikuze!" he exclaimed. He then pressed the Activate Knocker on the ViStamp.

[Rex!]

Ikki then breathed on the ViStamp to make sure that it was cooled, and stamped it onto the screen of the belt.

[C'mon! Re-Re-Re-Rex!]

Ikki did some poses, and said "Henshin!" before attaching the Rex ViStamp to the ReviceDriver, and tilted it like a lever.

[Buddy Up!]

Vice then slammed the giant stamp onto Ikki, as armor appeared on Ikki's body while armor attached onto Vice, turning him corporeal

[Contract! Sealed! Rollin'! Goin'! Kamen Rider~ Revi! Vice! REVICE!]

With that, Ikki and Vice had transformed into their Rider Forms, ready to fight the two Deadmens. Nakashima then did the same movements as Kotaro Minami crossed with Kazuya Oki.

[HENSHIN]

"ECTOPHASE ACTIVATE!" said Nakashima, as he was enveloped in a bright light, and was clad in blue, white and gold armor with a lion motif. His helmet had golden yellow optics to it as well.

"Whoa…" Tsukune murmured, surprised.

"I am the child of the cosmos." said Nebula, as he then posed like BLACK RX "Kamen Rider Nebula!"

"I will deal with Nebula." said Kabuterror, cracking his knuckles and neck. "You two handle Revice."

"With gusto." said the Nepenthes Deadman, as he took out a black and white colored Proto ViStamp, and pressed the button on top of it.

[JUNIOR!]

The monster then stamped the ground, causing the foot soldiers for Deadmans, the Giff Juniors to appear.

(BGM: "liveDevil" by Da-ICE & Subaru Kimura plays)

"Let's do it to it, Ikki!" said Vice, cracking his knuckles. The two Riders then fought against the Giff Juniors, with Revi using his Ohinbuster-50 as an ax, and Vice using his Gundephone-50 as a blaster pistol. Revi then detached the Rex ViStamp, and stamped it against the screen on his weapon before attaching it to the Ohinbuster-50.

[Rex: Stamping Slash!]

Revi then sent an energy slash with his weapon, destroying several Giff Juniors.

"That was aces, Ikki!" said Vice, as he took a selfie with Revi using his Gundephone-50. They then fought the Nepenthes and Mongolarachne Deadmans in hand-to-hand combat. Revi used the Ohinbuster-50 as a gun, and shot at the Nepenthes Deadman. He then tilted the Rex ViStamp twice.

[Rex! Stamping Finish!]

With that, Revi and Vice then jumped into the air and did a two-person Rider Kick, defeating the Nepenthes and Mongolarachne Deadmans.

"OK, Readers! Get ready!" said Vice, as he broke the fourth wall. "Three! Two! One!" With that, the Mongolarachne and Nepenthes Deadmans fell backwards and exploded. "AKUMA! AKUMA!" Vice exclaimed.

(BGM Ends)

Nebula was busy fighting against Kabuterror in hand-to-hand combat, trading blows with the rhinoceros beetle monster. Nebula then got a call on his helmet's communicator.

"Nakashima, try using the Star Shooter. It's your first-ever gun weapon." said Jeremy.

"I never used a gun before. But hey, there's a first for everything!" said Nebula, as he slid a GridCard across the top of the Nebula Riser.

[STAR SHOOTER, EQUIP ON!]

With that, a handgun similar to the Dart Leader used by Gunvolt then appeared in Nebula's hands, and he started using gun-kata, combining martial arts moves with his gun.

"Blightoids! Destroy them!" said Kabuterror, as a squadron of Blightoids charged at Nebula, who fought them using martial arts and the Star Shooter.

(BGM: "Ketsuraku Automation" by ONE OK ROCK Plays)

"I'll rip you apart myself!" said Kabuterror, as he lunged at Nebula, fighting him in hand-to-hand combat. Nebula then pressed a button on the back of the Star Shooter.

[ENDING STRIKE!]

"Stellar Rider Blast!" said Nebula, as he fired a volley of homing shots at Kabuterror, shooting him full of holes.

"DAMN IT ALLLLLLL!" Kabuterror bellowed, as he then fell backwards and exploded.

Later, it shows Tsukune facing Moka. "Y'know, Moka…it's been a semester since I started attending Yokai Academy." he admitted. "And, there's something I gotta tell you."

"Yes, Tsukune?" said Moka, curious.

"What I'm tryin' to say is: I love you, Moka." said Tsukune, blushing madly.

"Oh, Tsukune. I feel the same." said Moka, as the bubblegum pink haired Vampire kissed Tsukune on the lips, and the two lovers made out.

Afterwards, Tsukune and co. then boarded the Nebulonius.

"Alright, everyone. Our next destination is the universe of Danny Phantom. So strap in." said Jeremy. Once everyone got onboard the Nebulonius, the craft then lifted off, and flew through a dimensional portal.

(End of Chapter 3)

(Ending Song: "Polaris" by BLUE ENCOUNT plays)

It shows Nebula riding his motorcycle on a racetrack during a cloudy day

Ano hi "mamoru" to kimeta

Yakusoku wa kono mune ni

Subete wo ushinau koto de

Ima sukueru inochi ga aru no nara

Yorokonde zenbu wo ageyou

Kono kimochi ga hajimete no ikigai da

Kizuato wa kakusanaide

Zetsubou mo buki ni shite

Ikiru to kimetan da yo

Seiippai kono namida kakiwakete

Kimi ni subete wo ageru kara

Onegai dou ka kienaide kure

Ano hi "mamoru" to kimeta

Yakusoku wa kono mune ni

Kiesou na hikari da to shitemo ike!

(End of ED)

Next time, on Kamen Rider Nebula, Nakashima and co. arrive in the universe of Danny Phantom, where they meet the resident Human-Ghost hybrid hero, Danny Phantom, and his friends and family in Amity Park, Indiana. However, a new Darkmare known as Frogulon arrives to cause havoc in the town of Amity Park, so it's up to Nakashima and co. in order to defeat it. Also, Danny is recovering from having his heart shattered by Paulina Sanchez, and finds himself falling in love with Diana. Will Nakashima be able to defeat Frogulon before he causes further damage? Find out in Chapter 4: Invasion In Amity Park!