A/N: Just to let y'all know, I'm going to try to incorporate canon elements as they're published. Which means the invasion currently just got ten times easier. You'll see why.

Disclaimer: I don't own Bleach. If I did, I'd be rich enough to create a FanFiction with an MA rating available. Yeah, because I feel your pain, people.

Saido-San (Side Three): A Bleach Fanfic

My Songs Know What You Did In The Dark (Light 'em Up)- Fall Out Boy

Ganju wiped the sweat off his brow as he set down the broom. The entire Great Kuukaku Training Hall had finally been dusted, by himself, and it was spotless. Except for the occasional hole in the wall, the building was perfect; all the shelves neat and tidy, the floors polished, the pests exterminated or banished, and certain rooms that were especially filthy before were given a fresh coat of paint. The cracks in all the walls had also been filled, but the holes were too big. Ganju would have to wait until someone came and repaired those before the building would be completely perfect, but in his eyes, clean was good enough.

"Have you finished yet, Ganju-" Kuukaku stopped as she saw the shine in the main room. "Wow, now why can't you put this much work into everything you do?"

Ganju sweatdropped. "I'd exhaust myself to death if I did that, sis."

"What's wrong?" Kuukaku saw a bit of puzzlement and worry in her younger brother's eyes.

"...Well, there's something I found while sealing the cracks in the main room where I trained. You might want to see this." Ganju pointed to the wood table.

Kuukaku quickly grabbed the lost item; a manilla folder. She shuffled through all the papers quickly before stopping at one in particular.

"Aizen..." She breathed, before quickly shutting the folder.

"What?"

"Ganju, put that stuff away. We're going to pay a visit to someone important."

"Who?"

"Kisuke Urahara."

"Kuukaku!" Urahara smiled as the two siblings entered Shoten Urahara. "Haven't seen you in a long time! What brings you here?"

Kuukaku didn't return the same happiness Kisuke gave, and instead answered very seriously, "I have some very chilling news for the Soul Society." She held the manilla envelope out in front of her. "Take a look." She threw it on the table in front of her and took a seat next to Ganju.

Urahara hummed as he opened up the file, becoming less and less cheerful the more he examined the pages inside. He stopped and was taken aback at the picture of Sosuke Aizen. "Where was this?"

"Ganju found it in a crack in one of the walls in the Great Kuukaku Training Hall while cleaning. We had some guests over before-"

"Who?" Urahara asked urgently.

"What were their names...um...oh, Kugo Ginjo, Giriko Kutsuzawa and Shukuro Tsukishima. Why? Are they someone important?"

"Very." Urahara sighed. This is a very big problem. "Kugo Ginjo was the first Substitute Shinigami. He defected and was stripped of his powers, then became a Fullbringer and created Xcution."

"So why should we be worried?" Ganju interrupted.

"Kutsuzawa and Tsukishima are members of Xcution. After we found out they were after Ichigo Kurosaki, we sent Byakuya Kuchiki, Renji Abarai, Rukia Kuchiki, Toshiro Hitsugaya, Kenpachi Zaraki and Ikkaku Madarame to end their reign. Tsukishima was killed by Byakuya, Giriko by Kenpachi, and Ginjo by Ichigo. The motive of Xcution was to try to get Ginjo his powers back for questionable means. So, now that we know they're alive, they're most likely going to take revenge. Now, what do we know about the Soul Society?"

"Um, they're in the middle of a really big war?" Ganju had only one idea.

"They were slaughtered essentially in one fight. So with the kind of state the Soul Society is in, you would think it would be very easy to access, yes?"

"Yeah," Kuukaku agreed.

"So, would you think it would be fair to assume they've broken Aizen out?"

"Already?! But he's in the highest security prison in the Soul Society-!"

"Which is currently reduced to not much more than piles of rubble mixed with rotting flesh. It doesn't matter how high securities are; the Soul Society is much more concerned with treating the injured and preparing for the next strike than guarding a prison. Which is one reason I say they've broken Aizen out." Kisuke finished.

"What's your other reason?"

"I just received a Hell Butterfly this morning. Mayuri Kurotsuchi is dead. He was killed by four unidentified men who were slinking around the Seireitei."

"So who's next on the hit list, Aizen?" Tsukishima asked as he pulled his fullbring out of the lifeless corpse of Mayuri Kurotsuchi. "I hear Captain Unohana is also dead."

"If not, she is in serious condition," Aizen said, gazing at the sky. "I don't sense her reiatsu anywhere, and what I can sense is simply an enraged and disheartened Kenpachi Zaraki. I don't believe it would be wise to approach him now. Nor would it be wise to attack Kyouraku directly; that would signal to the Soul Society that we want a war on our hands. Remember, we are trying to knock down the dominos one by one, not in a row."

"So, who should we go after next?" Ginjo questioned. He believed the whole point was to leave the Soul Society no choice but to form a horribly organized fighting force of every straggler left, and then leave them to be obliterated by the Vandenreich. Not to slowly disorganize the Soul Society bit by agonizing bit, leaving them crawling on their knees before swiftly decapitating and putting them out of their misery.

"The messenger force of the Soul Society."

"We're going to exterminate Hell Butterflies?"

"The Onmitsukidou; the Second Division," Aizen smiled. "She was the most arrogant of the captains who fought me in Karakura Town, next to Toshiro Hitsugaya. Soi Fang shall receive her 'just desserts' next." It was unfortunate, Aizen thought, that the Soul Society was always one step behind with all the genius they own. It surprised (and amused) him how they could ignore such signs.

"Are you sure?" Tsukishima inquired. "The Stealth Force is probably coming after us now; would it be wise to attack them?"

"Of course," Aizen turned to face him. "If you don't want the enemy getting the message, you kill the carrier pigeons, and then end the writer of such messages. Same process."