Forget The Rails, I Can't Find The Train! by NotAHero101 (Bleach)

Summary: Somethings wrong with Aizen. Absolute chaos Ensues.

Link: https://m.fanfiction.net/s/13364598/1/Forget-The-Rails-I-Can-t-Find-The-Train

Word count:108k

Chapters:50

Chapter 1: Arc 1 Ch0

Author Notes: If you squint hard enough, you can see Urahara Kisuke laughing his ass off.

...

The butterfly theory dictates that even the smallest of changes can have the most devastating of effects. Which essentially, given my current position, means that I and by extension the rest of the world, are already fucked.

But I am getting ahead of myself.

Our story started about three hours ago, see I was just having a marvellous day out fishing with a few friends before a tsunami literally came out of thin air and killed all of them. Given the state of mind during that outing, I am somewhat skeptical...

All the same I wasn't given much time to ponder the nature of the killer tsunami as I was given the pleasure of a unique end by shark teeth. Who, given the world I am currently in, I am just going to assume was really Harribel in disguise.

Anyways, following my involuntary meeting with the third Espada, I found myself drifting off in a black void of nothingness which at first took me off guard as I'd momentarily accepted that there was indeed a god and I was on my journey towards Hell. Que an emotional breakdown.

Then a face popped into existence in front of me and as much as I'd like to say I didn't scream like a girl, I'd be a massive liar.

But then you can hardly blame me.

Jack Nicholson's face is going to do that to anybody.

Long story short, after pretending to be the devil for a solid two hours the asshole inside finally showed himself.

Surprise Surprise, it was an utter di-

Really need to stop wearing, I've been knocked out like three times in the past hour. Not that anyone would've noticed me. I was currently hidden in my private chambers, stacks of books around me, though I couldn't tear my face away from the mirror. I'd been like this since I'd gotten here. But I am getting ahead of myself, again.

The ROB did what a ROB do and promptly broke all kinds of laws and physics out of sheer curiosity. See, just after he'd summoned Harribel for a free meal, and no matter how much that bastard might deny it, deep down I know it was him, he asked me a single question.

Who was my favourite character?

And been the idiot that I am, I told him the truth.

And ever since, I'v been sitting here crosslegged, staring ahead at the image in the mirror. Wondering what the hell I was going to do.

Because no matter what happens, this world is screwed. Everything is screwed.

See, I knew exactly what time period I'd shown up to, the ROB made it clear enough.

Moments after Ichigo first arrives at Soul Society.

And again you might be wondering why that sounds so bad? Considering I was basically gift-wrapped the P2W package what with been a captain, and on top of that Canon was already in progress taking a majority of potential risks out, as compared to being born decades before canon even started, right?

Wrong.

The ROB had evidently decided that I should get a chance to get to know my favourite character.

The only problem with that being said favourite character.

And because of that, every breath I take is a cyclone waiting to happen. By the end of this year, I expect Yhwach to be running about playing protagonist.

Hell, the last three hours alone have probably sent canon on it's merry way already.

And why?

Because the only way to get to know my favourite character is by becoming the one person he respected more then anyone else. Assuming there was an anyone else.

I never thought I'd see the day where I'd resent Ulquiorra for anything but being thrown into Aizen Fucking Sosuke's body is one hell of a sucker punch.

...

It wasn't until I left Aizen's? My? Personal chambers that I noticed a rather heavy presence surrounding me. It'd taken me a few minutes to realise it was coming from my sword.

Quickly removing it out of it's sheath, I stared at what was likely the most broken weapon in existence.

And I didn't have a single clue how it worked.

Sure I had Aizen's memories-

"Captain!" A shout startled me out of my revelry, I quickly turned towards the voice, finding a rather bland looking reaper heading inside the barracks. A hand waving my way.

Apparently He just wanted to give me a greeting. Though he seemed oddly out of breath.

Neat. So Aizen hadn't betrayed everyone yet. The ROB wasn't lying...

I quickly took a seat on the floor, sure it probably looked weird, but whatever. The first problem I realised was likely going to be the fact I had absolutely no idea how Aizen's powers functioned. See, I know that deep down, I had memories of him when he practiced/learnt them but... Well.

Dude was a prodigy, that... Those memories were centuries old. And so, rather difficult to make any sense off.

Either that or Aizen's memories were encrypted... Given who it is, I wouldn't be surprised if he set some kind of mental barrier incase he got possessed or something. Kinda like right now actually.

Aizen's plans on the other hand, were clear as day.

I think.

Sort of. I am fairly confident I've remembered everything I need to regarding the soul society rescue arc...

Well see.

Still, I had no clue how to use any of his abilities and until I figure it out, I needed some kinda excuse to not been able to fight...

Second problem. My sword, Sir Hax-alot was glowing. Now, I wasn't an expert but I am pretty sure that's a clear sign of Aizen-my Reiatsu or whatever it's called being used, at the same time I could practically feel the rest of the man's reiatsu expand out, almost hungrily. I wasn't sure how I was supposed to pull it back in. And I am pretty sure Fake Aizen's level isn't supposed to be that high. So he likely had a way to hide it. Well enough to get people to think he was far weaker then he really was.

But again.

I don't know how to turn either off!

Whatever the stupid sword is currently doing seems important enough for it to be a giant bloody glow stick.

I wracked my own head trying to figure out if at any point Aizen showed off so much power openly because I am almost certain he couldn't keep this hidden...

I am pretty sure it's a sign that his Illusion abilities in effect but for the life of me I can't figure out why.

Still, it didn't compare to my third problem, and likely the biggest one.

Ichimaru Gin.

And I am the lucky bastard he wants to stab in the back and likely every other place he can get his hands on.

Joy.

And as if to mock me, someone at that very moment had the nerve to start screaming. Now, either Aizen had maxed out hearing or that was really close by...

Regardless, the scream was probably part of the plot, I might aswell-

I blinked, my eyes wide open at the sudden change in scenery...

Holy shit...

I staggered as I turned around, my gaze rapidly switching around at the new environment, the screaming girl in front of me.

Holy. Shit.

What the hell was this bastards dexterity!?

Did I use a spell? Did I teleport, was that flash step!?

What the hell, the moment I wanted to do something, my body automatically responded... Not a single beat skipp-

'Gasp' The sudden sound drew me out of my awe at the sheer power the body I was currently renting held, to the sight of a girl wearing the standard leutenant outfit, aribbon wrapped around her hair-

Ah it's 'my' Leutenant!

I blinked. Why was she crying? And what was with the shocked expression. It was then I started noticing the others slowly coming into view, all of them clear disbelief writ her their faces...

Was it the power? Was it really that hig- my mind screeched to a holt the moment my eyes landed on the fake body currently impaled onto a white building. Right behind me.

This litarally couldn't get any worse.

"Aizen-Taichou..."

I held in the sigh. I had absolutely no idea how Honorifics even worked...

"Hello, Momo..." I really hope that's her name.

She blinked away the tears as others quickly enclosed in, though none of them seemed willing to interrupt.

Bastards.

"How..?" She made to turn back towards something behind me before flinching and keeping her gaze locked onto mine.

"I..." Think... Comeon, You're Aizen Fucking Sosuke, think of a goddamn excuse-

"I am from the future,"

Well.

Atleast she stopped crying.

"What?" She questioned, an utterly baffled expression on her face.

It was then I noticed it. The sudden flaring of a pressure unlike any other. I had to hold back the wince as the temperature seemed to skyrocket as an almost immovable fortress of Reiatsu appeared between me and 'my' lieutenant and the body nailed to the wall.

"Huh... And I thought Gin would be the death of me, forgot about you completely!"

I probably shouldn't have said that out loud. Yamamoto did not look remotely amused.

Those Shinigami probably shouldn't have laughed either.