My Sister the Heroine, and I the Villainess - Chapter 1

Xiao Yu was humanity’s greatest genius, a scientist whose intellect surpassed all others. He saw the signs of Earth’s impending doom a decade before it happened, warning the world of the catastrophe to come. But instead of being hailed as a savior, he was ridiculed, dismissed as a madman by his peers, and ignored by society.Realizing that nothing could change humanity’s fate, Xiao Yu made a decision. He turned his brilliance toward survival. Using knowledge decades ahead of human science, he constructed the first true interstellar battleship—not for humanity, but for himself. And when the end came, he did what no one else could. He abandoned his mortal body, fusing his very soul with the ship’s central computer and escaping into the endless void.Now, drifting through the vast and indifferent cosmos, he is the last remnant of a dead civilization. But he refuses to let humanity vanish without a trace. Why was Earth destroyed? Was it truly unavoidable, or was there something more sinister at play? To uncover the truth, he must push beyond the limits of human science. His battleship is just the beginning. Through relentless technological advancement, he will evolve, forging a warship that can traverse the stars, a fleet that can reclaim humanity’s lost legacy.The universe is vast, filled with unknown civilizations, ancient mysteries, and dangers beyond imagination. But Xiao Yu will not stop. He will find answers. He will ensure humanity’s flame is not extinguished.The journey into the unknown begins now.

The world of pokemon is synonymous with young boys and girls going on a journey and facing many challenges.

This story is not like that. This story is about a SI coming into one of the most prominent companions of the pokemon world. Unlike other stories, Brock is already established and has gone on his journey. He's faced challenges and returned home to be other people's challenges. Which, there's a lot more to than most people realise.

Explore an alternate pokemon universe with an expanded cast and more mature ideals through the eyes of Brock, Gym Leader to Pewter City Gym, and family man.

Life from birth has been nothing but hell. I lost my parents to some stupid aristocrats whom they offended. Executed for no good reason.

My relatives abandoned me and pushed me aside. They feared for their lives and left me and my sister to starve and wander the streets alone!

No, this is worse than hell!

I watched my sister die of starvation. Her lips were dry and her feet bloody. Her nails were broken and her fingers riddled with cuts. She struggled in my hands and after a few seconds of struggle she passed away. She seemed joyful in death so I prayed mine will come just as swift and merciful as hers.

So I stayed in the alleyway, alone with her rotten corpse awaiting my fate for God knows how long. I could see it already. The darkness encroaching from all sides

Everyone said death is scary but I say it’s the end! Who needs life after death? What is the need for reincarnation?

Who would want to return to this crazy world?

“It’s not yet time for you to go… You have one more task to accomplish as my host” A voice called out to me.

I could barely see or speak but how can I miss such a beautiful face? It was an extremely handsome man who gazed at me with tender eyes.

.....

“Haven’t I suffered enough? Can’t I just rest?” I cried out. Why would I want to stay back in such a cruel world?

“Don’t you want to avenge the death of your parents? Don’t you want to become something greater? I can make that happen!” The beautiful man said with an alluring voice.

“You… Who are you?” I asked with an anxious heart.

My parents always said God is the only one who cares about me! Maybe in my final hours, he has come to save me.

“Call me Death…”