He crouched atop the roof, drowning in his thoughts. He didn't stop thinking about just one thing, and it made him sick. A name that made him want to kill.

"Ichigo Kurosaki."

Oh, the Substitute Soul Reaper. The saviour of the Soul Society. Did he think he was the only one? They both went to Karakura High, since the Substitute had enrolled. Ichigo only acknowledged him with a nod.

"I will kill you one day." He growled.

A hollow appeared to be attacking a human somewhere in the distance. He unsheathed his Zanpakuto.

He flash stepped over to where it was happening.

"You Hollows should just cut out the constant appearances and die already."

Uryu watched intently from the shadows.

"A Soul Reaper who hates Ichigo and kills Hollows? My perfect chance for revenge."

After he'd killed it Uryu stepped out.

"Hello."

"Forget it. I don't work with Quincies." He said before preparing to flash step away.

"Wait!"

"What now, huh?"

"You want the same thing as I do, don't you? Revenge."

"I don't give a shit. I work alone, Uryu Ishida."

Uryu gave up. He didn't want to start a fight, and he'd been gathering intelligence on this certain Sub Soul Reaper, and he wasn't one to mess with. Yet there was something wrong with all of the data. It had no date.

He decided to walk home, but today just wasn't his day.

"Hey!"

He turned around to face his mortal enemy.

"Well, well, well. If it isn't 'the' Ichigo Kurosaki."

"What is it you have against me?"

He laughed.

"If only you knew."

"What's your name, and why do you have a Zanpakuto?"

"We both go to Karakura High, well, that's what it's called in my time-space. You think you were the only Substitute Soul Reaper?"

"I was always told there was another one, but I didn't believe it."

"It's because we were in separate time lines in the same time. You know Ashido Kano?"

"Rukia Kuchiki told me about him. She met him in Hueco Mundo."

"He's alive?"

"I don't know."

"Blow, Tatsumaki!"

Ichigo was blasted backwards as a severe gust of wind ravaged the area around him.

"You don't want to see my Bankai."

"You have Bankai?"

"My story's the same as yours. Trained by Yoruichi, beats up Byakuya Kuchiki, the whole lot. We're the same."

"Why do you want to kill me, then?"

"Because I'm dead."

"But you're standing in front of me!"

"I told you, we're in separate time lines. In my time-space, I'm the Substitute, but in yours, you are. For some reason, they've been merged, and now, no-one knows me. I don't like it. I'm going to kill you, and erase your time-space."

"Not gonna happen. Isn't there another way?"

"No."

"Well then, it doesn't look like too bright a future for you, then." Ichigo stated, as he readied Zangetsu.

"You think?" he said.

"What is your name? I don't fight without knowing my opponent's name."

"My name? I don't have one. But I'll gladly have yours, once I kill you." He growled.

"Ok!" Ichigo shouted as they both clashed Zanpakuto, equally matched.