Spoilers from included and/or represented works abound. Please read this fiction carefully.

Everybody fell down the rabbit hole. A massive one, under the remains of the Arasaka Tower, in the desert.

A while later...

"This again...?" Jack Garland got up.

"Blue?" Ragna looked around. "Seems familiar..."

"Location detected. Paradise by Lufenia, occupied and infested by the True Azure." The Seven observed the place. "Ready your weapons, some hostile monsters or soldiers could be around."

The entire team-up alliance walked around the atmosphere. Angelica and the bookhunter joins Team Lobotomy-Ruina, so both she and she gets to accompany them along the way.

Suddenly, a demonic spider attacked them. Angelica took her set (same as Roland would, minus the mask), and swiftly killed it.

"Honey, just as expected from the Black Silence." Roland is impressed. "Uhhh, after the realization, I took your gloves and the mask-"

"We already know the full story and the truth related to that." Angela interrupted Roland. "You're not really the Black Silence, your wife is. It's that you're conspicuously tricking people into thinking that you're the Black Silence, because of the mask and your usage."

"Let's just say that's that, and this-" Roland responded back-

"Shut up, the one killed by vengeance." The bookhunter disrupted it.

"Bruh, don't act like you're 13 years ahead, just because you're from that long in the future." Roland facepalmed.

"Anyways... Why isn't it booked out?" Angelica wondered why.

"Damn it! Even with the perfect book can connect to the Library, this monster is too volatile to be booked!" Angela complained.

The Sephirah facepalmed.

"Watch out!" The bookhunter warned them all.

A few demonic spiders attacked Lobotomy-Ruina, the bookhunter quickly took down one of them (her powers she acquired from books). Only to be kicked off by the rest, which Roland and Angelica vanquishes.

"Shit! Monsters are boosted by the environment here!" Roland realized something's off.

"Persona!"

A group of demonic spiders got destroyed by some Personas.

"Isn't that Shadow Operatives with those Persona users?" Roland noticed.

"We have works to do." Yu Narukami took Roland on. "Let's go."

"Sensei, those freaky creatures are volatile, and they can-" Teddie warned Yu.

"We know what to do." Yu goes, but is blocked by the bookhunter.

"Who are you?" The bookhunter doesn't know who those Persona users are.

"What? I don't know you." Angelica excuses against the Persona users.

"So you're from another world, and you have had no idea of us." Mitsuru Kirijo responded. "Come, we'll sort it out quickly."

Everyone gets to learn about each other, and discovered themselves in various situations regarding to the omniverse being ruined by the Rift Goddess, so they-

Ground shakens, and the True Azure emanated radioactive energies identical to the Azure Grimoire, through the crystalline reality. Ragna noted the familiarity of all this.

"I know it! The Azure!" Ragna recognized it.

"What's with this place!?" Segata Sanshiro complained. "Is the great Sega Saturn broken-"

"Hold it!"

"You guys are suspecting that the desert became such containing this underground mess because of the Song of Rifts being incomplete!?" Phoenix/Ryuichi deduced.

"Mr. Naruhodo, what?" Artoria heard it.

"Phoenix Wright, you're saying... Song of Rifts being disrupted by our beating yesterday, resulting in stalling it effects!?" The Shinra agents heard it. "That's why the places like what we're going to are...!?"

Binah heard it. She took note of the deduction, and conceded.

"Yeah, that's about it." Binah replied. "At yesterday's incident, the Song of Rifts took effect, then moments later, we beat up Tsukumo-101, disrupting it. This causes various things from various worlds and such to be stuck in between each other like a sore thumb each."

"So that's how this place as we stands in it came to be." Raiden realized the facts. "Song of Rifts being crashed seconds after it started, and that spills and distorts realities altogether."

"Which leads to one new variable:" LeBron James continued. "How the hell would the Rift Goddess take advantage of and finishes the whole thing?"

Everyone gasped. Except Binah and Phoenix.

"Oh shit, here we go again." Adam Smasher curbed off.

Hordes of monsters, including those demonic spider Team Lobotomy-Ruina just slashed, all spontaneously emerged from the ground, to tear off the whole hell of an alliance, who responded by fighting them all together.

Meanwhile...

"May I help you?" A woman in some special military gears from Shinra and Ouma (Japan) appeared.

She, an adult similar height of Xiaomu, has a long, black hair, and blue eyes.

"Welcome to my rule." The Rift Goddess greeted the woman.

"I heard that the Song of Rifts is interrupted seconds after it started, and?" The woman observed.

"Tsukumo-101. I controlled her with the Chrome, and finally got the song started, but..." The Rift Goddess replied. *sigh* "Some low-lifes, including those Shinra and Ouma goons, thrashed her."

"You're a double-agent of Shinra and Ouma?" The Rift Goddess asked.

"Yes! I find it strange to be here so suddenly." The woman noted.

"After that all, the worlds isn't exactly fused, but they all started crossing each other." The Rift Goddess continued. "Guess I have to complete this chaos compactor myself."

"I barely know you." The woman pointed it out. "And yet you still seems to know so much of me. Are you guessing?"

The Rift Goddess then straight out told the woman the backstory.

"You're willing to rule the omniverse because your world and your original subjects all rejected you?" The woman asked.

"For no good reason at all." The Rift Goddess replied.

"Nigen."/"二元." The woman revealed. "That's my name."

After the while...

"Hah...! They're finally done!" Angelica finished off the last of those monsters.

Then Team Lobotomy-Ruina saw a bloodied corpse of a certain... Konoha ninja.

"Uhhh... what's?" Roland has no idea.

Naruto approached the corpse, and quickly recognized it.

"What? You know that?" The bookhunter noticed.

"Menma..." Naruto revealed. "Menma Uzumaki... that one from the world of..."

"Tsukuyomi illusion, huh." Roland replied.

Naruto is flabbergasted. Everyone else is shocked.

"Menma... your illusion counterpart..." Reiji is shocked.

"What the hell..."

True Azure emanated even more energy.

"What the hell!? More Blue screaming around!" Ragna noticed.

"I feel... uneasy about this." v-'No-13' responded.

"Sephirot!" Angela noticed something's wrong.

The Sephirah got the hallucinations based on their traumas again. Now they're all bleeding from their mouth.

"Are we fine...?" Malkuth is suffering.

"Oh no!" Saya the Azure sister noticed. "Brother, we have to do something!"

"Nu, Saya, follow me!" Ragna went ahead. "Oh yeah, Jin too."

The Azure siblings and Nu approached the Azure.

"Now you're as dead as you're alive, just like us." Binah noted.

"Benjamin, uh, Hokma..." Ayin called Hokma. "Are you going to melt down again?"

"What about... Phenomena Intervention?" Rachel Alucard suggested.

"What!?" Chesed drops his mug of coffee. "You mean... Phenomena Intervention happened?"

"Objection!" Maya/Mayoi interrupted. "What do you mean by Phenomena Intervention?"

"Phenomena Intervention is the ability to manipulate phenomena, allowing someone or some unit to alter one possibility into another." Rachel explained. "There are multiple realities, and things like the Observers, theTakamagahara SystemandAmaterasu Unit, can overwrite certain realities with others within reason."

"Could this be a Phenomena Intervention is causing the meltdown... again?" Phoenix hypothesized.

"Ah... I can feel... my traumas charging us up..." Binah is being affected.

"Everyone, take care of the Sephirah, while we take the Azure-" Ragna told everyone.

The ground shakens, and the 'sky' cracks. The Sephirah is about to morph.

"Phenomena Intervention detected!" System No. XX detected it.

"Use the Soul Stone and Power Stone, now!" Ms. Continuum commanded.

Thanos used the stacked Infinity Gauntlet, and fired the Soul and Power beam to the Sephirah, stabilizing them just in time. The Sephirah gains their meltdown appends again (oh yeah, keep in mind that Yesod's face looks scratched as well), but this time they're back to their normal mind (as indicated by their eyes remaining the same).

"Ugh..." Malkuth is fuzzy.

"Phew, that was close." Mickey Mouse is relieved.

"Too close." Haken replied.

"What!? This meltdown cloth and marks..." Hod is shocked.

"Glad that we don't have to suppress you again."

"Shit!" Gebura shouted.

"Oh no... we're almost insane!" Netzach complained.

The ground shakens, and the atmosphere cracked more. It's not the sideways in this case: it's the crystal that counts. The Azure siblings and Nu embraced the true Azure to take it. The Six Heroes approached them, but is blocked by Garland.

"Hey, you generic nemesis!" Terumi complained. "We have to seize the Blue together!"

"It's not for you!" Garland refused. "The Eye, the Time Killer and the Central Fiction are the one have to, not you!"

"Susano'o, this stranger... has good point." Nine the Phantom concurred.

"Yeah... It's safer to let them do the work." Platinum as Trinity Glassfield.

"Uh, fine!" Terumi gave up. "You win, I'll leave it alone."

"The true Azure." Saya the Azure sister noted. "What has become known as the one true BlazBlue."

"It can grant anything if so desired." Ragna noted.

"Everything except the Blue and us are cracking!" Jay-P noticed. "We need to evacuate, now!"

"I'll do." Dr. Manhattan decided. "The true Azure will also be transported as well."

"Azure secured!" Jin Kisaragi reported. "Teleport us all, now!"

Dr. Manhattan teleports alliance out and up to the surface. That Paradise quickly shatters, revealing the purple space full of displaced objects and landmarks from several worlds.

On the Arasaka Desert...

"Why there's the island... from Fortnite... stuck in this planet!?" Deadpool of Fanfictasia complained.

"We have no idea why that island is... well, floating around here." Lara Croft of Fanfictasia noted.

"What the hell? We've never seen anything weirder in eight years!" Doc Brown of Fanfictasia is frustrated.

Uatu the Watcher appeared in front of Fanfictasia inhabitants.

"I don't know this version of you." Uatu responded. "You are..."

"We're from Fanfictasia." Harley Quinn of Fanfictiasia revealed.

"We're in the reality meltdown." Uatu revealed the situation. "An omniversal Phenomena Intervention is taking place."

The inhabitants of Fanfictasia, especially the members of FanficTen, are all shocked.

"The island you're seeing it is not from anywhere in the complexion of your multiverses." Uatu explained. "It's ours. Also, the island in question was a combination of its original self and a ship named 'Beyond the Edge'."

Then Uatu recapped what the alliance he's in has experienced ever since the Zero End.

"The desecration of reality won't go unpunished, ever." Uatu then flew to the island.

"Hey, wait!" Deadpool of Fanfictasia stopped Uatu.

"What?" Uatu took it be.

"We have a villain, who also threatened our... whatever, multiverses, but by hosting tournaments." Deadpool of Fanfictasia replied. "His name is Oscar, named after the Academy Awards, and his weakness is gold."

"Guess what?" Uatu responded. "The Rift Goddess is far worse than that Oscar has ever been."

Uatu flew away, leaving the inhabitants of Fanfictasia behind, and for Dr. Manhattan to rescue them all... which he did, teleporting them to the island.

A short while later...

"You're now in Guava Fort."

The new Investigation Team, Team Lobotomy-Ruina, Captain Velvet Meteor and an unconscious Darth Vader landed on the flooded Guava Fort. A rebooted Cube is seen floating there.

"That announcer again, spewing suspicious... uh... whatever. That voice, annoys me." David commented.

"Also, what the...?" Jumpson is confused. "This flooding..."

The rebooted Cube formed a shield around the whole area.

"Oh shit!" Everyone is frustrated. "Out of space-time!"

Both the Pyramid and Eye Land as Athena both appeared, but the former are visibly flooded, and the latter is floating but stuck. A large meteor (similar to the one hit the black hole before) is in the way to both, but is in stasis. Across other flooded parts of Apollo, there's now copies of the Battle Bus floating around, and the corrupted Cubes and the floating island are also floating in the water as well.

Meanwhile...

"Uh oh." The Scientist realized. "We're experience paradoxes around the island everywhere."

Chrome is spread through around Artemis now, but the Collider is situated over The Glow, ironically disregarding the party decorations but an Low Gravity bubble has been created around it. Strange noises can be heard when inside it, and there are floating objects around it, all from the past islands. It is also snowing across the entire side as well, while the Reality Tree is completely active and very well.

"Crap. This was never calculated." The Herald isn't amused.

All of theSky Platforms, wind turbines, propaganda posters, and blimps in the sky have been spread through out Apollo and Artemis, and the Vault appeared on the epicenter, over Zero Point and the Bridge, linking Apollo and Artemis (and by extension, Athena), and it glows into Zero Bloom. The cavern that separate Apollo and Artemis is filled with the corrupted Cubes, corrupting it and much of the Bridge, and damaging the internals. The island stands upright.

"This is ridiculous." Geno is horrified. "How come so much everything all at once bombarding the island like the evulz!?"

"Teleport back to checkpoint!" The Paradigm and System No. XX simultaneously commanded.

The island teleported, with Zero Point sucking in and displaces itself, transporting all its contents without leaving anything inside behind. Nigen saw it all, and is walking out of the now-corrupted rabbit hole.

"Wow, still going on to save something that shouldn't be saved?" Nigen made fun of Shinra and Ouma. "Foolish organizations, ridiculous resistance."

"Good." The Rift Goddess contacted telepathically. "Looking forward to..."

"Rule the omniverse with an iron fist." Nigen replied. "Omniversal dictatorship, well?"

"That's right, and as one true omni-deity." The Rift Goddess replied back. "This is what the Last Reality, the seven, Imagined Order, those Loopers and that stupid celebrity all gets for rejecting me the hard way all the way, and for all those resistances and CXA for screwing me over with!"

"I'll gladly serve you." Nigen responded in respect and servitude. "You're welcome."

To be continued...