Restaurant at the End of the Universe

Somewhere within the void lay a vast chaotic world where nothing recognizable to humanity existed.

Like the Actual Infinity world at the unreachable ends of an ordinary real number line extending infinitely in both directions, this place was a void beyond the Number Line.

Within this void was hidden a small house independent of the world.

A young girl in an oversized, ill-fitting pure white shirt, with long black hair draped loose and a languid expression on her face, sat sideways at the table and wrote in the book before her with a quill pen:

"This was a supreme world even more terrifying than the Ninety-Nine Billion-Layer Multiverse ruled by the Anti-Spiral Tribe. Brave Simon had piloted Gurren Lagann and defeated the Anti-Spiral Tribe, only to discover that the hidden existence behind them was the true mastermind."

"Who are you?!"

"Covered in wounds, Simon's fighting spirit remained high. He raised his head and shouted at the pitch-black figure before him."

"The shadow seated upon the throne let out a low, inscrutable chuckle. He slowly straightened up, his face emerging from the shadows, and greeted Simon in a voice Simon knew all too well."

"Simon, it's been a long time."

"This voice instantly drained Simon's fighting spirit. He staggered back two steps in disbelief and stared at the mastermind as he asked hoarsely, 'Big Bro?!'"

"That's right! The mastermind who had orchestrated the cosmic war between the Spiral Tribe and the Anti-Spiral Tribe for countless eons, causing the extinction of who knew how many galactic Civilizations throughout the Multiverse, was actually that carefree Big Bro, Kamina!"

"Hehehe... Surprised, Simon? You've already seen it, haven't you? The tragedy of the Spiral Tribe and Anti-Spiral Tribe's struggle over countless eons."

"Spiral Power is the force driving humanity across the universe to pursue evolution.